90389840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59467}}^1$

素因数の和:59499

約数の個数: 40

約数和(自身を含む): 221220960

約数和(自身を除く): 130831120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 59467, 118934, 237868, 297335, 475736, 594670, 951472, 1129873, 1189340, 2259746, 2378680, 4519492, 4757360, 5649365, 9038984, 11298730, 18077968, 22597460, 45194920, 90389840]

約数ペア:

[(1, 90389840), (2, 45194920), (4, 22597460), (5, 18077968), (8, 11298730), (10, 9038984), (16, 5649365), (19, 4757360), (20, 4519492), (38, 2378680), (40, 2259746), (76, 1189340), (80, 1129873), (95, 951472), (152, 594670), (190, 475736), (304, 297335), (380, 237868), (760, 118934), (1520, 59467)]