13255640

素因数分解:

$2^3\times 5^1\times {\mathrm{331391}}^1$

素因数の和:331402

約数の個数: 16

約数和(自身を含む): 29825280

約数和(自身を除く): 16569640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331391, 662782, 1325564, 1656955, 2651128, 3313910, 6627820, 13255640]

約数ペア:

[(1, 13255640), (2, 6627820), (4, 3313910), (5, 2651128), (8, 1656955), (10, 1325564), (20, 662782), (40, 331391)]