31395580

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{18913}}^1$

素因数の和:19005

約数の個数: 24

約数和(自身を含む): 66728592

約数和(自身を除く): 35333012

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 18913, 37826, 75652, 94565, 189130, 378260, 1569779, 3139558, 6279116, 7848895, 15697790, 31395580]

約数ペア:

[(1, 31395580), (2, 15697790), (4, 7848895), (5, 6279116), (10, 3139558), (20, 1569779), (83, 378260), (166, 189130), (332, 94565), (415, 75652), (830, 37826), (1660, 18913)]