84167620

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{38609}}^1$

素因数の和:38727

約数の個数: 24

約数和(自身を含む): 178378200

約数和(自身を除く): 94210580

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 38609, 77218, 154436, 193045, 386090, 772180, 4208381, 8416762, 16833524, 21041905, 42083810, 84167620]

約数ペア:

[(1, 84167620), (2, 42083810), (4, 21041905), (5, 16833524), (10, 8416762), (20, 4208381), (109, 772180), (218, 386090), (436, 193045), (545, 154436), (1090, 77218), (2180, 38609)]