55139825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{169661}}^1$

素因数の和:169684

約数の個数: 12

約数和(自身を含む): 73633308

約数和(自身を除く): 18493483

約数列:

[1, 5, 13, 25, 65, 325, 169661, 848305, 2205593, 4241525, 11027965, 55139825]

約数ペア:

[(1, 55139825), (5, 11027965), (13, 4241525), (25, 2205593), (65, 848305), (325, 169661)]