12885925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1333

約数の個数: 24

約数和(自身を含む): 17776640

約数和(自身を除く): 4890715

約数列:

[1, 5, 13, 25, 31, 65, 155, 325, 403, 775, 1279, 2015, 6395, 10075, 16627, 31975, 39649, 83135, 198245, 415675, 515437, 991225, 2577185, 12885925]

約数ペア:

[(1, 12885925), (5, 2577185), (13, 991225), (25, 515437), (31, 415675), (65, 198245), (155, 83135), (325, 39649), (403, 31975), (775, 16627), (1279, 10075), (2015, 6395)]