164417140

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{12437}}^1$

素因数の和:13107

約数の個数: 24

約数和(自身を含む): 345826152

約数和(自身を除く): 181409012

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 6610, 12437, 13220, 24874, 49748, 62185, 124370, 248740, 8220857, 16441714, 32883428, 41104285, 82208570, 164417140]

約数ペア:

[(1, 164417140), (2, 82208570), (4, 41104285), (5, 32883428), (10, 16441714), (20, 8220857), (661, 248740), (1322, 124370), (2644, 62185), (3305, 49748), (6610, 24874), (12437, 13220)]