204465025

素因数分解:

$5^2\times {\mathrm{113}}^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:741

約数の個数: 24

約数和(自身を含む): 257967864

約数和(自身を除く): 53502839

約数列:

[1, 5, 25, 113, 157, 461, 565, 785, 2305, 2825, 3925, 11525, 17741, 52093, 72377, 88705, 260465, 361885, 443525, 1302325, 1809425, 8178601, 40893005, 204465025]

約数ペア:

[(1, 204465025), (5, 40893005), (25, 8178601), (113, 1809425), (157, 1302325), (461, 443525), (565, 361885), (785, 260465), (2305, 88705), (2825, 72377), (3925, 52093), (11525, 17741)]