80765525

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 102680928

約数和(自身を除く): 21915403

約数列:

[1, 5, 25, 61, 211, 251, 305, 1055, 1255, 1525, 5275, 6275, 12871, 15311, 52961, 64355, 76555, 264805, 321775, 382775, 1324025, 3230621, 16153105, 80765525]

約数ペア:

[(1, 80765525), (5, 16153105), (25, 3230621), (61, 1324025), (211, 382775), (251, 321775), (305, 264805), (1055, 76555), (1255, 64355), (1525, 52961), (5275, 15311), (6275, 12871)]