7990946000

素因数分解:

$2^4\times 5^3\times {\mathrm{103}}^1\times {\mathrm{38791}}^1$

素因数の和:38917

約数の個数: 80

約数和(自身を含む): 19510203648

約数和(自身を除く): 11519257648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 103, 125, 200, 206, 250, 400, 412, 500, 515, 824, 1000, 1030, 1648, 2000, 2060, 2575, 4120, 5150, 8240, 10300, 12875, 20600, 25750, 38791, 41200, 51500, 77582, 103000, 155164, 193955, 206000, 310328, 387910, 620656, 775820, 969775, 1551640, 1939550, 3103280, 3879100, 3995473, 4848875, 7758200, 7990946, 9697750, 15516400, 15981892, 19395500, 19977365, 31963784, 38791000, 39954730, 63927568, 77582000, 79909460, 99886825, 159818920, 199773650, 319637840, 399547300, 499434125, 799094600, 998868250, 1598189200, 1997736500, 3995473000, 7990946000]

約数ペア:

[(1, 7990946000), (2, 3995473000), (4, 1997736500), (5, 1598189200), (8, 998868250), (10, 799094600), (16, 499434125), (20, 399547300), (25, 319637840), (40, 199773650), (50, 159818920), (80, 99886825), (100, 79909460), (103, 77582000), (125, 63927568), (200, 39954730), (206, 38791000), (250, 31963784), (400, 19977365), (412, 19395500), (500, 15981892), (515, 15516400), (824, 9697750), (1000, 7990946), (1030, 7758200), (1648, 4848875), (2000, 3995473), (2060, 3879100), (2575, 3103280), (4120, 1939550), (5150, 1551640), (8240, 969775), (10300, 775820), (12875, 620656), (20600, 387910), (25750, 310328), (38791, 206000), (41200, 193955), (51500, 155164), (77582, 103000)]