13568125

素因数分解:

$5^4\times {\mathrm{17}}^1\times {\mathrm{1277}}^1$

素因数の和:1314

約数の個数: 20

約数和(自身を含む): 17966124

約数和(自身を除く): 4397999

約数列:

[1, 5, 17, 25, 85, 125, 425, 625, 1277, 2125, 6385, 10625, 21709, 31925, 108545, 159625, 542725, 798125, 2713625, 13568125]

約数ペア:

[(1, 13568125), (5, 2713625), (17, 798125), (25, 542725), (85, 159625), (125, 108545), (425, 31925), (625, 21709), (1277, 10625), (2125, 6385)]