86732420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139891}}^1$

素因数の和:139931

約数の個数: 24

約数和(自身を含む): 188014848

約数和(自身を除く): 101282428

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 139891, 279782, 559564, 699455, 1398910, 2797820, 4336621, 8673242, 17346484, 21683105, 43366210, 86732420]

約数ペア:

[(1, 86732420), (2, 43366210), (4, 21683105), (5, 17346484), (10, 8673242), (20, 4336621), (31, 2797820), (62, 1398910), (124, 699455), (155, 559564), (310, 279782), (620, 139891)]