68015540

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{21661}}^1$

素因数の和:21827

約数の個数: 24

約数和(自身を含む): 143749032

約数和(自身を除く): 75733492

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 21661, 43322, 86644, 108305, 216610, 433220, 3400777, 6801554, 13603108, 17003885, 34007770, 68015540]

約数ペア:

[(1, 68015540), (2, 34007770), (4, 17003885), (5, 13603108), (10, 6801554), (20, 3400777), (157, 433220), (314, 216610), (628, 108305), (785, 86644), (1570, 43322), (3140, 21661)]