20125313305

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1\times {\mathrm{317459}}^1$

素因数の和:317904

約数の個数: 16

約数和(自身を含む): 24990451200

約数和(自身を除く): 4865137895

約数列:

[1, 5, 31, 155, 409, 2045, 12679, 63395, 317459, 1587295, 9841229, 49206145, 129840731, 649203655, 4025062661, 20125313305]

約数ペア:

[(1, 20125313305), (5, 4025062661), (31, 649203655), (155, 129840731), (409, 49206145), (2045, 9841229), (12679, 1587295), (63395, 317459)]