61695640

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{2851}}^1$

素因数の和:3403

約数の個数: 32

約数和(自身を含む): 139120560

約数和(自身を除く): 77424920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 2851, 4328, 5410, 5702, 10820, 11404, 14255, 21640, 22808, 28510, 57020, 114040, 1542391, 3084782, 6169564, 7711955, 12339128, 15423910, 30847820, 61695640]

約数ペア:

[(1, 61695640), (2, 30847820), (4, 15423910), (5, 12339128), (8, 7711955), (10, 6169564), (20, 3084782), (40, 1542391), (541, 114040), (1082, 57020), (2164, 28510), (2705, 22808), (2851, 21640), (4328, 14255), (5410, 11404), (5702, 10820)]