81754010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{628877}}^1$

素因数の和:628897

約数の個数: 16

約数和(自身を含む): 158477256

約数和(自身を除く): 76723246

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 628877, 1257754, 3144385, 6288770, 8175401, 16350802, 40877005, 81754010]

約数ペア:

[(1, 81754010), (2, 40877005), (5, 16350802), (10, 8175401), (13, 6288770), (26, 3144385), (65, 1257754), (130, 628877)]