520839680000

素因数分解:

$2^{12}\times 5^4\times {\mathrm{31}}^1\times {\mathrm{6563}}^1$

素因数の和:6638

約数の個数: 260

約数和(自身を含む): 1343712974208

約数和(自身を除く): 822873294208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 155, 160, 200, 248, 250, 256, 310, 320, 400, 496, 500, 512, 620, 625, 640, 775, 800, 992, 1000, 1024, 1240, 1250, 1280, 1550, 1600, 1984, 2000, 2048, 2480, 2500, 2560, 3100, 3200, 3875, 3968, 4000, 4096, 4960, 5000, 5120, 6200, 6400, 6563, 7750, 7936, 8000, 9920, 10000, 10240, 12400, 12800, 13126, 15500, 15872, 16000, 19375, 19840, 20000, 20480, 24800, 25600, 26252, 31000, 31744, 32000, 32815, 38750, 39680, 40000, 49600, 51200, 52504, 62000, 63488, 64000, 65630, 77500, 79360, 80000, 99200, 102400, 105008, 124000, 126976, 128000, 131260, 155000, 158720, 160000, 164075, 198400, 203453, 210016, 248000, 256000, 262520, 310000, 317440, 320000, 328150, 396800, 406906, 420032, 496000, 512000, 525040, 620000, 634880, 640000, 656300, 793600, 813812, 820375, 840064, 992000, 1017265, 1050080, 1240000, 1280000, 1312600, 1587200, 1627624, 1640750, 1680128, 1984000, 2034530, 2100160, 2480000, 2560000, 2625200, 3174400, 3255248, 3281500, 3360256, 3968000, 4069060, 4101875, 4200320, 4960000, 5086325, 5250400, 6510496, 6563000, 6720512, 7936000, 8138120, 8203750, 8400640, 9920000, 10172650, 10500800, 13020992, 13126000, 13441024, 15872000, 16276240, 16407500, 16801280, 19840000, 20345300, 21001600, 25431625, 26041984, 26252000, 26882048, 32552480, 32815000, 33602560, 39680000, 40690600, 42003200, 50863250, 52083968, 52504000, 65104960, 65630000, 67205120, 79360000, 81381200, 84006400, 101726500, 104167936, 105008000, 127158125, 130209920, 131260000, 134410240, 162762400, 168012800, 203453000, 208335872, 210016000, 254316250, 260419840, 262520000, 325524800, 336025600, 406906000, 416671744, 420032000, 508632500, 520839680, 525040000, 651049600, 672051200, 813812000, 833343488, 840064000, 1017265000, 1041679360, 1050080000, 1302099200, 1627624000, 1680128000, 2034530000, 2083358720, 2100160000, 2604198400, 3255248000, 3360256000, 4069060000, 4166717440, 4200320000, 5208396800, 6510496000, 8138120000, 8400640000, 10416793600, 13020992000, 16276240000, 16801280000, 20833587200, 26041984000, 32552480000, 52083968000, 65104960000, 104167936000, 130209920000, 260419840000, 520839680000]

約数ペア:

[(1, 520839680000), (2, 260419840000), (4, 130209920000), (5, 104167936000), (8, 65104960000), (10, 52083968000), (16, 32552480000), (20, 26041984000), (25, 20833587200), (31, 16801280000), (32, 16276240000), (40, 13020992000), (50, 10416793600), (62, 8400640000), (64, 8138120000), (80, 6510496000), (100, 5208396800), (124, 4200320000), (125, 4166717440), (128, 4069060000), (155, 3360256000), (160, 3255248000), (200, 2604198400), (248, 2100160000), (250, 2083358720), (256, 2034530000), (310, 1680128000), (320, 1627624000), (400, 1302099200), (496, 1050080000), (500, 1041679360), (512, 1017265000), (620, 840064000), (625, 833343488), (640, 813812000), (775, 672051200), (800, 651049600), (992, 525040000), (1000, 520839680), (1024, 508632500), (1240, 420032000), (1250, 416671744), (1280, 406906000), (1550, 336025600), (1600, 325524800), (1984, 262520000), (2000, 260419840), (2048, 254316250), (2480, 210016000), (2500, 208335872), (2560, 203453000), (3100, 168012800), (3200, 162762400), (3875, 134410240), (3968, 131260000), (4000, 130209920), (4096, 127158125), (4960, 105008000), (5000, 104167936), (5120, 101726500), (6200, 84006400), (6400, 81381200), (6563, 79360000), (7750, 67205120), (7936, 65630000), (8000, 65104960), (9920, 52504000), (10000, 52083968), (10240, 50863250), (12400, 42003200), (12800, 40690600), (13126, 39680000), (15500, 33602560), (15872, 32815000), (16000, 32552480), (19375, 26882048), (19840, 26252000), (20000, 26041984), (20480, 25431625), (24800, 21001600), (25600, 20345300), (26252, 19840000), (31000, 16801280), (31744, 16407500), (32000, 16276240), (32815, 15872000), (38750, 13441024), (39680, 13126000), (40000, 13020992), (49600, 10500800), (51200, 10172650), (52504, 9920000), (62000, 8400640), (63488, 8203750), (64000, 8138120), (65630, 7936000), (77500, 6720512), (79360, 6563000), (80000, 6510496), (99200, 5250400), (102400, 5086325), (105008, 4960000), (124000, 4200320), (126976, 4101875), (128000, 4069060), (131260, 3968000), (155000, 3360256), (158720, 3281500), (160000, 3255248), (164075, 3174400), (198400, 2625200), (203453, 2560000), (210016, 2480000), (248000, 2100160), (256000, 2034530), (262520, 1984000), (310000, 1680128), (317440, 1640750), (320000, 1627624), (328150, 1587200), (396800, 1312600), (406906, 1280000), (420032, 1240000), (496000, 1050080), (512000, 1017265), (525040, 992000), (620000, 840064), (634880, 820375), (640000, 813812), (656300, 793600)]