13225880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4657}}^1$

素因数の和:4739

約数の個数: 32

約数和(自身を含む): 30183840

約数和(自身を除く): 16957960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 4657, 9314, 18628, 23285, 37256, 46570, 93140, 186280, 330647, 661294, 1322588, 1653235, 2645176, 3306470, 6612940, 13225880]

約数ペア:

[(1, 13225880), (2, 6612940), (4, 3306470), (5, 2645176), (8, 1653235), (10, 1322588), (20, 661294), (40, 330647), (71, 186280), (142, 93140), (284, 46570), (355, 37256), (568, 23285), (710, 18628), (1420, 9314), (2840, 4657)]