42135640

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{3323}}^1$

素因数の和:3651

約数の個数: 32

約数和(自身を含む): 95132880

約数和(自身を除く): 52997240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1585, 2536, 3170, 3323, 6340, 6646, 12680, 13292, 16615, 26584, 33230, 66460, 132920, 1053391, 2106782, 4213564, 5266955, 8427128, 10533910, 21067820, 42135640]

約数ペア:

[(1, 42135640), (2, 21067820), (4, 10533910), (5, 8427128), (8, 5266955), (10, 4213564), (20, 2106782), (40, 1053391), (317, 132920), (634, 66460), (1268, 33230), (1585, 26584), (2536, 16615), (3170, 13292), (3323, 12680), (6340, 6646)]