54621640

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{2621}}^1$

素因数の和:3153

約数の個数: 32

約数和(自身を含む): 123181560

約数和(自身を除く): 68559920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 2621, 4168, 5210, 5242, 10420, 10484, 13105, 20840, 20968, 26210, 52420, 104840, 1365541, 2731082, 5462164, 6827705, 10924328, 13655410, 27310820, 54621640]

約数ペア:

[(1, 54621640), (2, 27310820), (4, 13655410), (5, 10924328), (8, 6827705), (10, 5462164), (20, 2731082), (40, 1365541), (521, 104840), (1042, 52420), (2084, 26210), (2605, 20968), (2621, 20840), (4168, 13105), (5210, 10484), (5242, 10420)]