20006656000

素因数分解:

$2^{11}\times 5^3\times {\mathrm{31}}^1\times {\mathrm{2521}}^1$

素因数の和:2589

約数の個数: 192

約数和(自身を含む): 51555329280

約数和(自身を除く): 31548673280

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, 640, 775, 800, 992, 1000, 1024, 1240, 1280, 1550, 1600, 1984, 2000, 2048, 2480, 2521, 2560, 3100, 3200, 3875, 3968, 4000, 4960, 5042, 5120, 6200, 6400, 7750, 7936, 8000, 9920, 10084, 10240, 12400, 12605, 12800, 15500, 15872, 16000, 19840, 20168, 24800, 25210, 25600, 31000, 31744, 32000, 39680, 40336, 49600, 50420, 51200, 62000, 63025, 63488, 64000, 78151, 79360, 80672, 99200, 100840, 124000, 126050, 128000, 156302, 158720, 161344, 198400, 201680, 248000, 252100, 256000, 312604, 315125, 317440, 322688, 390755, 396800, 403360, 496000, 504200, 625208, 630250, 645376, 781510, 793600, 806720, 992000, 1008400, 1250416, 1260500, 1290752, 1563020, 1587200, 1613440, 1953775, 1984000, 2016800, 2500832, 2521000, 2581504, 3126040, 3226880, 3907550, 3968000, 4033600, 5001664, 5042000, 5163008, 6252080, 6453760, 7815100, 7936000, 8067200, 9768875, 10003328, 10084000, 12504160, 12907520, 15630200, 16134400, 19537750, 20006656, 20168000, 25008320, 25815040, 31260400, 32268800, 39075500, 40013312, 40336000, 50016640, 62520800, 64537600, 78151000, 80026624, 80672000, 100033280, 125041600, 129075200, 156302000, 160053248, 161344000, 200066560, 250083200, 312604000, 322688000, 400133120, 500166400, 625208000, 645376000, 800266240, 1000332800, 1250416000, 2000665600, 2500832000, 4001331200, 5001664000, 10003328000, 20006656000]

約数ペア:

[(1, 20006656000), (2, 10003328000), (4, 5001664000), (5, 4001331200), (8, 2500832000), (10, 2000665600), (16, 1250416000), (20, 1000332800), (25, 800266240), (31, 645376000), (32, 625208000), (40, 500166400), (50, 400133120), (62, 322688000), (64, 312604000), (80, 250083200), (100, 200066560), (124, 161344000), (125, 160053248), (128, 156302000), (155, 129075200), (160, 125041600), (200, 100033280), (248, 80672000), (250, 80026624), (256, 78151000), (310, 64537600), (320, 62520800), (400, 50016640), (496, 40336000), (500, 40013312), (512, 39075500), (620, 32268800), (640, 31260400), (775, 25815040), (800, 25008320), (992, 20168000), (1000, 20006656), (1024, 19537750), (1240, 16134400), (1280, 15630200), (1550, 12907520), (1600, 12504160), (1984, 10084000), (2000, 10003328), (2048, 9768875), (2480, 8067200), (2521, 7936000), (2560, 7815100), (3100, 6453760), (3200, 6252080), (3875, 5163008), (3968, 5042000), (4000, 5001664), (4960, 4033600), (5042, 3968000), (5120, 3907550), (6200, 3226880), (6400, 3126040), (7750, 2581504), (7936, 2521000), (8000, 2500832), (9920, 2016800), (10084, 1984000), (10240, 1953775), (12400, 1613440), (12605, 1587200), (12800, 1563020), (15500, 1290752), (15872, 1260500), (16000, 1250416), (19840, 1008400), (20168, 992000), (24800, 806720), (25210, 793600), (25600, 781510), (31000, 645376), (31744, 630250), (32000, 625208), (39680, 504200), (40336, 496000), (49600, 403360), (50420, 396800), (51200, 390755), (62000, 322688), (63025, 317440), (63488, 315125), (64000, 312604), (78151, 256000), (79360, 252100), (80672, 248000), (99200, 201680), (100840, 198400), (124000, 161344), (126050, 158720), (128000, 156302)]