160225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1$

素因数の和:69

約数の個数: 24

約数和(自身を含む): 234360

約数和(自身を除く): 74135

約数列:

[1, 5, 13, 17, 25, 29, 65, 85, 145, 221, 325, 377, 425, 493, 725, 1105, 1885, 2465, 5525, 6409, 9425, 12325, 32045, 160225]

約数ペア:

[(1, 160225), (5, 32045), (13, 12325), (17, 9425), (25, 6409), (29, 5525), (65, 2465), (85, 1885), (145, 1105), (221, 725), (325, 493), (377, 425)]