200836025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1987}}^1$

素因数の和:2321

約数の個数: 24

約数和(自身を含む): 269191104

約数和(自身を除く): 68355079

約数列:

[1, 5, 13, 25, 65, 311, 325, 1555, 1987, 4043, 7775, 9935, 20215, 25831, 49675, 101075, 129155, 617957, 645775, 3089785, 8033441, 15448925, 40167205, 200836025]

約数ペア:

[(1, 200836025), (5, 40167205), (13, 15448925), (25, 8033441), (65, 3089785), (311, 645775), (325, 617957), (1555, 129155), (1987, 101075), (4043, 49675), (7775, 25831), (9935, 20215)]