79501420

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{9719}}^1$

素因数の和:10137

約数の個数: 24

約数和(自身を含む): 167378400

約数和(自身を除く): 87876980

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 9719, 19438, 38876, 48595, 97190, 194380, 3975071, 7950142, 15900284, 19875355, 39750710, 79501420]

約数ペア:

[(1, 79501420), (2, 39750710), (4, 19875355), (5, 15900284), (10, 7950142), (20, 3975071), (409, 194380), (818, 97190), (1636, 48595), (2045, 38876), (4090, 19438), (8180, 9719)]