72457225

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{719}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 93744000

約数和(自身を除く): 21286775

約数列:

[1, 5, 25, 29, 139, 145, 695, 719, 725, 3475, 3595, 4031, 17975, 20155, 20851, 99941, 100775, 104255, 499705, 521275, 2498525, 2898289, 14491445, 72457225]

約数ペア:

[(1, 72457225), (5, 14491445), (25, 2898289), (29, 2498525), (139, 521275), (145, 499705), (695, 104255), (719, 100775), (725, 99941), (3475, 20851), (3595, 20155), (4031, 17975)]