40640518

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{1861}}^1$

素因数の和:2103

約数の個数: 16

約数和(自身を含む): 62339760

約数和(自身を除く): 21699242

約数列:

[1, 2, 61, 122, 179, 358, 1861, 3722, 10919, 21838, 113521, 227042, 333119, 666238, 20320259, 40640518]

約数ペア:

[(1, 40640518), (2, 20320259), (61, 666238), (122, 333119), (179, 227042), (358, 113521), (1861, 21838), (3722, 10919)]