99489620

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{20641}}^1$

素因数の和:20891

約数の個数: 24

約数和(自身を含む): 209805288

約数和(自身を除く): 110315668

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 20641, 41282, 82564, 103205, 206410, 412820, 4974481, 9948962, 19897924, 24872405, 49744810, 99489620]

約数ペア:

[(1, 99489620), (2, 49744810), (4, 24872405), (5, 19897924), (10, 9948962), (20, 4974481), (241, 412820), (482, 206410), (964, 103205), (1205, 82564), (2410, 41282), (4820, 20641)]