1656980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6373}}^1$

素因数の和:6395

約数の個数: 24

約数和(自身を含む): 3747912

約数和(自身を除く): 2090932

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 6373, 12746, 25492, 31865, 63730, 82849, 127460, 165698, 331396, 414245, 828490, 1656980]

約数ペア:

[(1, 1656980), (2, 828490), (4, 414245), (5, 331396), (10, 165698), (13, 127460), (20, 82849), (26, 63730), (52, 31865), (65, 25492), (130, 12746), (260, 6373)]