78013625

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{21521}}^1$

素因数の和:21565

約数の個数: 16

約数和(自身を含む): 100722960

約数和(自身を除く): 22709335

約数列:

[1, 5, 25, 29, 125, 145, 725, 3625, 21521, 107605, 538025, 624109, 2690125, 3120545, 15602725, 78013625]

約数ペア:

[(1, 78013625), (5, 15602725), (25, 3120545), (29, 2690125), (125, 624109), (145, 538025), (725, 107605), (3625, 21521)]