187680025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{19913}}^1$

素因数の和:19965

約数の個数: 24

約数和(自身を含む): 259280280

約数和(自身を除く): 71600255

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 9425, 19913, 99565, 258869, 497825, 577477, 1294345, 2887385, 6471725, 7507201, 14436925, 37536005, 187680025]

約数ペア:

[(1, 187680025), (5, 37536005), (13, 14436925), (25, 7507201), (29, 6471725), (65, 2887385), (145, 1294345), (325, 577477), (377, 497825), (725, 258869), (1885, 99565), (9425, 19913)]