85957420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{138641}}^1$

素因数の和:138681

約数の個数: 24

約数和(自身を含む): 186334848

約数和(自身を除く): 100377428

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 138641, 277282, 554564, 693205, 1386410, 2772820, 4297871, 8595742, 17191484, 21489355, 42978710, 85957420]

約数ペア:

[(1, 85957420), (2, 42978710), (4, 21489355), (5, 17191484), (10, 8595742), (20, 4297871), (31, 2772820), (62, 1386410), (124, 693205), (155, 554564), (310, 277282), (620, 138641)]