78921925

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{2081}}^1$

素因数の和:2169

約数の個数: 24

約数和(自身を含む): 103009032

約数和(自身を除く): 24087107

約数列:

[1, 5, 25, 37, 41, 185, 205, 925, 1025, 1517, 2081, 7585, 10405, 37925, 52025, 76997, 85321, 384985, 426605, 1924925, 2133025, 3156877, 15784385, 78921925]

約数ペア:

[(1, 78921925), (5, 15784385), (25, 3156877), (37, 2133025), (41, 1924925), (185, 426605), (205, 384985), (925, 85321), (1025, 76997), (1517, 52025), (2081, 37925), (7585, 10405)]