81560110

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{153887}}^1$

素因数の和:153947

約数の個数: 16

約数和(自身を含む): 149579136

約数和(自身を除く): 68019026

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 153887, 307774, 769435, 1538870, 8156011, 16312022, 40780055, 81560110]

約数ペア:

[(1, 81560110), (2, 40780055), (5, 16312022), (10, 8156011), (53, 1538870), (106, 769435), (265, 307774), (530, 153887)]