2100408025

素因数分解:

$5^2\times {\mathrm{1987}}^1\times {\mathrm{42283}}^1$

素因数の和:44280

約数の個数: 12

約数和(自身を含む): 2605878352

約数和(自身を除く): 505470327

約数列:

[1, 5, 25, 1987, 9935, 42283, 49675, 211415, 1057075, 84016321, 420081605, 2100408025]

約数ペア:

[(1, 2100408025), (5, 420081605), (25, 84016321), (1987, 1057075), (9935, 211415), (42283, 49675)]