81225530

素因数分解:

$2^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{71881}}^1$

素因数の和:72001

約数の個数: 16

約数和(自身を含む): 147501864

約数和(自身を除く): 66276334

約数列:

[1, 2, 5, 10, 113, 226, 565, 1130, 71881, 143762, 359405, 718810, 8122553, 16245106, 40612765, 81225530]

約数ペア:

[(1, 81225530), (2, 40612765), (5, 16245106), (10, 8122553), (113, 718810), (226, 359405), (565, 143762), (1130, 71881)]