5315180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20443}}^1$

素因数の和:20465

約数の個数: 24

約数和(自身を含む): 12021072

約数和(自身を除く): 6705892

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 20443, 40886, 81772, 102215, 204430, 265759, 408860, 531518, 1063036, 1328795, 2657590, 5315180]

約数ペア:

[(1, 5315180), (2, 2657590), (4, 1328795), (5, 1063036), (10, 531518), (13, 408860), (20, 265759), (26, 204430), (52, 102215), (65, 81772), (130, 40886), (260, 20443)]