90516640

素因数分解:

$2^5\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1621}}^1$

素因数の和:1985

約数の個数: 48

約数和(自身を含む): 214590600

約数和(自身を除く): 124073960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 349, 698, 1396, 1621, 1745, 2792, 3242, 3490, 5584, 6484, 6980, 8105, 11168, 12968, 13960, 16210, 25936, 27920, 32420, 51872, 55840, 64840, 129680, 259360, 565729, 1131458, 2262916, 2828645, 4525832, 5657290, 9051664, 11314580, 18103328, 22629160, 45258320, 90516640]

約数ペア:

[(1, 90516640), (2, 45258320), (4, 22629160), (5, 18103328), (8, 11314580), (10, 9051664), (16, 5657290), (20, 4525832), (32, 2828645), (40, 2262916), (80, 1131458), (160, 565729), (349, 259360), (698, 129680), (1396, 64840), (1621, 55840), (1745, 51872), (2792, 32420), (3242, 27920), (3490, 25936), (5584, 16210), (6484, 13960), (6980, 12968), (8105, 11168)]