68860580

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{13397}}^1$

素因数の和:13663

約数の個数: 24

約数和(自身を含む): 145180728

約数和(自身を除く): 76320148

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 13397, 26794, 53588, 66985, 133970, 267940, 3443029, 6886058, 13772116, 17215145, 34430290, 68860580]

約数ペア:

[(1, 68860580), (2, 34430290), (4, 17215145), (5, 13772116), (10, 6886058), (20, 3443029), (257, 267940), (514, 133970), (1028, 66985), (1285, 53588), (2570, 26794), (5140, 13397)]