40721404

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{1063}}^1$

素因数の和:1285

約数の個数: 24

約数和(自身を含む): 72960608

約数和(自身を除く): 32239204

約数列:

[1, 2, 4, 61, 122, 157, 244, 314, 628, 1063, 2126, 4252, 9577, 19154, 38308, 64843, 129686, 166891, 259372, 333782, 667564, 10180351, 20360702, 40721404]

約数ペア:

[(1, 40721404), (2, 20360702), (4, 10180351), (61, 667564), (122, 333782), (157, 259372), (244, 166891), (314, 129686), (628, 64843), (1063, 38308), (2126, 19154), (4252, 9577)]