2490357025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{125617}}^1$

素因数の和:125701

約数の個数: 24

約数和(自身を含む): 3380129144

約数和(自身を除く): 889772119

約数列:

[1, 5, 13, 25, 61, 65, 305, 325, 793, 1525, 3965, 19825, 125617, 628085, 1633021, 3140425, 7662637, 8165105, 38313185, 40825525, 99614281, 191565925, 498071405, 2490357025]

約数ペア:

[(1, 2490357025), (5, 498071405), (13, 191565925), (25, 99614281), (61, 40825525), (65, 38313185), (305, 8165105), (325, 7662637), (793, 3140425), (1525, 1633021), (3965, 628085), (19825, 125617)]