91400800

素因数分解:

$2^5\times 5^2\times {\mathrm{43}}^1\times {\mathrm{2657}}^1$

素因数の和:2720

約数の個数: 72

約数和(自身を含む): 228407256

約数和(自身を除く): 137006456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 80, 86, 100, 160, 172, 200, 215, 344, 400, 430, 688, 800, 860, 1075, 1376, 1720, 2150, 2657, 3440, 4300, 5314, 6880, 8600, 10628, 13285, 17200, 21256, 26570, 34400, 42512, 53140, 66425, 85024, 106280, 114251, 132850, 212560, 228502, 265700, 425120, 457004, 531400, 571255, 914008, 1062800, 1142510, 1828016, 2125600, 2285020, 2856275, 3656032, 4570040, 5712550, 9140080, 11425100, 18280160, 22850200, 45700400, 91400800]

約数ペア:

[(1, 91400800), (2, 45700400), (4, 22850200), (5, 18280160), (8, 11425100), (10, 9140080), (16, 5712550), (20, 4570040), (25, 3656032), (32, 2856275), (40, 2285020), (43, 2125600), (50, 1828016), (80, 1142510), (86, 1062800), (100, 914008), (160, 571255), (172, 531400), (200, 457004), (215, 425120), (344, 265700), (400, 228502), (430, 212560), (688, 132850), (800, 114251), (860, 106280), (1075, 85024), (1376, 66425), (1720, 53140), (2150, 42512), (2657, 34400), (3440, 26570), (4300, 21256), (5314, 17200), (6880, 13285), (8600, 10628)]