86138810

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{21481}}^1$

素因数の和:21889

約数の個数: 16

約数和(自身を含む): 155443752

約数和(自身を除く): 69304942

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 21481, 42962, 107405, 214810, 8613881, 17227762, 43069405, 86138810]

約数ペア:

[(1, 86138810), (2, 43069405), (5, 17227762), (10, 8613881), (401, 214810), (802, 107405), (2005, 42962), (4010, 21481)]