42379240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{25841}}^1$

素因数の和:25893

約数の個数: 32

約数和(自身を含む): 97682760

約数和(自身を除く): 55303520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 25841, 51682, 103364, 129205, 206728, 258410, 516820, 1033640, 1059481, 2118962, 4237924, 5297405, 8475848, 10594810, 21189620, 42379240]

約数ペア:

[(1, 42379240), (2, 21189620), (4, 10594810), (5, 8475848), (8, 5297405), (10, 4237924), (20, 2118962), (40, 1059481), (41, 1033640), (82, 516820), (164, 258410), (205, 206728), (328, 129205), (410, 103364), (820, 51682), (1640, 25841)]