12912102125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{7945909}}^1$

素因数の和:7945937

約数の個数: 16

約数和(自身を含む): 17353867440

約数和(自身を除く): 4441765315

約数列:

[1, 5, 13, 25, 65, 125, 325, 1625, 7945909, 39729545, 103296817, 198647725, 516484085, 993238625, 2582420425, 12912102125]

約数ペア:

[(1, 12912102125), (5, 2582420425), (13, 993238625), (25, 516484085), (65, 198647725), (125, 103296817), (325, 39729545), (1625, 7945909)]