109456580

素因数分解:

$2^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{13381}}^1$

素因数の和:13799

約数の個数: 24

約数和(自身を含む): 230438040

約数和(自身を除く): 120981460

約数列:

[1, 2, 4, 5, 10, 20, 409, 818, 1636, 2045, 4090, 8180, 13381, 26762, 53524, 66905, 133810, 267620, 5472829, 10945658, 21891316, 27364145, 54728290, 109456580]

約数ペア:

[(1, 109456580), (2, 54728290), (4, 27364145), (5, 21891316), (10, 10945658), (20, 5472829), (409, 267620), (818, 133810), (1636, 66905), (2045, 53524), (4090, 26762), (8180, 13381)]