40707620

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{12487}}^1$

素因数の和:12659

約数の個数: 24

約数和(自身を含む): 86017344

約数和(自身を除く): 45309724

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 12487, 24974, 49948, 62435, 124870, 249740, 2035381, 4070762, 8141524, 10176905, 20353810, 40707620]

約数ペア:

[(1, 40707620), (2, 20353810), (4, 10176905), (5, 8141524), (10, 4070762), (20, 2035381), (163, 249740), (326, 124870), (652, 62435), (815, 49948), (1630, 24974), (3260, 12487)]