262913540

素因数分解:

$2^2\times 5^1\times {\mathrm{2081}}^1\times {\mathrm{6317}}^1$

素因数の和:8407

約数の個数: 24

約数和(自身を含む): 552471192

約数和(自身を除く): 289557652

約数列:

[1, 2, 4, 5, 10, 20, 2081, 4162, 6317, 8324, 10405, 12634, 20810, 25268, 31585, 41620, 63170, 126340, 13145677, 26291354, 52582708, 65728385, 131456770, 262913540]

約数ペア:

[(1, 262913540), (2, 131456770), (4, 65728385), (5, 52582708), (10, 26291354), (20, 13145677), (2081, 126340), (4162, 63170), (6317, 41620), (8324, 31585), (10405, 25268), (12634, 20810)]