25571585

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1997}}^1$

素因数の和:2212

約数の個数: 16

約数和(自身を含む): 33230736

約数和(自身を除く): 7659151

約数列:

[1, 5, 13, 65, 197, 985, 1997, 2561, 9985, 12805, 25961, 129805, 393409, 1967045, 5114317, 25571585]

約数ペア:

[(1, 25571585), (5, 5114317), (13, 1967045), (65, 393409), (197, 129805), (985, 25961), (1997, 12805), (2561, 9985)]