259904000

素因数分解:

$2^9\times 5^3\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:195

約数の個数: 160

約数和(自身を含む): 674099712

約数和(自身を除く): 414195712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 125, 128, 131, 155, 160, 200, 248, 250, 256, 262, 310, 320, 400, 496, 500, 512, 524, 620, 640, 655, 775, 800, 992, 1000, 1048, 1240, 1280, 1310, 1550, 1600, 1984, 2000, 2096, 2480, 2560, 2620, 3100, 3200, 3275, 3875, 3968, 4000, 4061, 4192, 4960, 5240, 6200, 6400, 6550, 7750, 7936, 8000, 8122, 8384, 9920, 10480, 12400, 12800, 13100, 15500, 15872, 16000, 16244, 16375, 16768, 19840, 20305, 20960, 24800, 26200, 31000, 32000, 32488, 32750, 33536, 39680, 40610, 41920, 49600, 52400, 62000, 64000, 64976, 65500, 67072, 79360, 81220, 83840, 99200, 101525, 104800, 124000, 129952, 131000, 162440, 167680, 198400, 203050, 209600, 248000, 259904, 262000, 324880, 335360, 396800, 406100, 419200, 496000, 507625, 519808, 524000, 649760, 812200, 838400, 992000, 1015250, 1039616, 1048000, 1299520, 1624400, 1676800, 1984000, 2030500, 2079232, 2096000, 2599040, 3248800, 4061000, 4192000, 5198080, 6497600, 8122000, 8384000, 10396160, 12995200, 16244000, 25990400, 32488000, 51980800, 64976000, 129952000, 259904000]

約数ペア:

[(1, 259904000), (2, 129952000), (4, 64976000), (5, 51980800), (8, 32488000), (10, 25990400), (16, 16244000), (20, 12995200), (25, 10396160), (31, 8384000), (32, 8122000), (40, 6497600), (50, 5198080), (62, 4192000), (64, 4061000), (80, 3248800), (100, 2599040), (124, 2096000), (125, 2079232), (128, 2030500), (131, 1984000), (155, 1676800), (160, 1624400), (200, 1299520), (248, 1048000), (250, 1039616), (256, 1015250), (262, 992000), (310, 838400), (320, 812200), (400, 649760), (496, 524000), (500, 519808), (512, 507625), (524, 496000), (620, 419200), (640, 406100), (655, 396800), (775, 335360), (800, 324880), (992, 262000), (1000, 259904), (1048, 248000), (1240, 209600), (1280, 203050), (1310, 198400), (1550, 167680), (1600, 162440), (1984, 131000), (2000, 129952), (2096, 124000), (2480, 104800), (2560, 101525), (2620, 99200), (3100, 83840), (3200, 81220), (3275, 79360), (3875, 67072), (3968, 65500), (4000, 64976), (4061, 64000), (4192, 62000), (4960, 52400), (5240, 49600), (6200, 41920), (6400, 40610), (6550, 39680), (7750, 33536), (7936, 32750), (8000, 32488), (8122, 32000), (8384, 31000), (9920, 26200), (10480, 24800), (12400, 20960), (12800, 20305), (13100, 19840), (15500, 16768), (15872, 16375), (16000, 16244)]