61290125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{37717}}^1$

素因数の和:37745

約数の個数: 16

約数和(自身を含む): 82376112

約数和(自身を除く): 21085987

約数列:

[1, 5, 13, 25, 65, 125, 325, 1625, 37717, 188585, 490321, 942925, 2451605, 4714625, 12258025, 61290125]

約数ペア:

[(1, 61290125), (5, 12258025), (13, 4714625), (25, 2451605), (65, 942925), (125, 490321), (325, 188585), (1625, 37717)]