22638580

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2521}}^1$

素因数の和:2979

約数の個数: 24

約数和(自身を含む): 47665800

約数和(自身を除く): 25027220

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 2521, 4490, 5042, 8980, 10084, 12605, 25210, 50420, 1131929, 2263858, 4527716, 5659645, 11319290, 22638580]

約数ペア:

[(1, 22638580), (2, 11319290), (4, 5659645), (5, 4527716), (10, 2263858), (20, 1131929), (449, 50420), (898, 25210), (1796, 12605), (2245, 10084), (2521, 8980), (4490, 5042)]