55651640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{126481}}^1$

素因数の和:126503

約数の個数: 32

約数和(自身を含む): 136600560

約数和(自身を除く): 80948920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 126481, 252962, 505924, 632405, 1011848, 1264810, 1391291, 2529620, 2782582, 5059240, 5565164, 6956455, 11130328, 13912910, 27825820, 55651640]

約数ペア:

[(1, 55651640), (2, 27825820), (4, 13912910), (5, 11130328), (8, 6956455), (10, 5565164), (11, 5059240), (20, 2782582), (22, 2529620), (40, 1391291), (44, 1264810), (55, 1011848), (88, 632405), (110, 505924), (220, 252962), (440, 126481)]