13128380

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6373}}^1$

素因数の和:6485

約数の個数: 24

約数和(自身を含む): 27841632

約数和(自身を除く): 14713252

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 6373, 12746, 25492, 31865, 63730, 127460, 656419, 1312838, 2625676, 3282095, 6564190, 13128380]

約数ペア:

[(1, 13128380), (2, 6564190), (4, 3282095), (5, 2625676), (10, 1312838), (20, 656419), (103, 127460), (206, 63730), (412, 31865), (515, 25492), (1030, 12746), (2060, 6373)]