258501820

素因数分解:

$2^2\times 5^1\times {\mathrm{2081}}^1\times {\mathrm{6211}}^1$

素因数の和:8301

約数の個数: 24

約数和(自身を含む): 543202128

約数和(自身を除く): 284700308

約数列:

[1, 2, 4, 5, 10, 20, 2081, 4162, 6211, 8324, 10405, 12422, 20810, 24844, 31055, 41620, 62110, 124220, 12925091, 25850182, 51700364, 64625455, 129250910, 258501820]

約数ペア:

[(1, 258501820), (2, 129250910), (4, 64625455), (5, 51700364), (10, 25850182), (20, 12925091), (2081, 124220), (4162, 62110), (6211, 41620), (8324, 31055), (10405, 24844), (12422, 20810)]