31965620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{22511}}^1$

素因数の和:22591

約数の個数: 24

約数和(自身を含む): 68076288

約数和(自身を除く): 36110668

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 22511, 45022, 90044, 112555, 225110, 450220, 1598281, 3196562, 6393124, 7991405, 15982810, 31965620]

約数ペア:

[(1, 31965620), (2, 15982810), (4, 7991405), (5, 6393124), (10, 3196562), (20, 1598281), (71, 450220), (142, 225110), (284, 112555), (355, 90044), (710, 45022), (1420, 22511)]