20141225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2137}}^1$

素因数の和:2189

約数の個数: 24

約数和(自身を含む): 27836760

約数和(自身を除く): 7695535

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 2137, 9425, 10685, 27781, 53425, 61973, 138905, 309865, 694525, 805649, 1549325, 4028245, 20141225]

約数ペア:

[(1, 20141225), (5, 4028245), (13, 1549325), (25, 805649), (29, 694525), (65, 309865), (145, 138905), (325, 61973), (377, 53425), (725, 27781), (1885, 10685), (2137, 9425)]