2013123025

素因数分解:

$5^2\times {\mathrm{3121}}^1\times {\mathrm{25801}}^1$

素因数の和:28932

約数の個数: 12

約数和(自身を含む): 2497169164

約数和(自身を除く): 484046139

約数列:

[1, 5, 25, 3121, 15605, 25801, 78025, 129005, 645025, 80524921, 402624605, 2013123025]

約数ペア:

[(1, 2013123025), (5, 402624605), (25, 80524921), (3121, 645025), (15605, 129005), (25801, 78025)]