80909725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{1033}}^1$

素因数の和:1297

約数の個数: 24

約数和(自身を含む): 108598952

約数和(自身を除く): 27689227

約数列:

[1, 5, 13, 25, 65, 241, 325, 1033, 1205, 3133, 5165, 6025, 13429, 15665, 25825, 67145, 78325, 248953, 335725, 1244765, 3236389, 6223825, 16181945, 80909725]

約数ペア:

[(1, 80909725), (5, 16181945), (13, 6223825), (25, 3236389), (65, 1244765), (241, 335725), (325, 248953), (1033, 78325), (1205, 67145), (3133, 25825), (5165, 15665), (6025, 13429)]