31980325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5179}}^1$

素因数の和:5221

約数の個数: 24

約数和(自身を含む): 44962400

約数和(自身を除く): 12982075

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 475, 1235, 5179, 6175, 25895, 67327, 98401, 129475, 336635, 492005, 1279213, 1683175, 2460025, 6396065, 31980325]

約数ペア:

[(1, 31980325), (5, 6396065), (13, 2460025), (19, 1683175), (25, 1279213), (65, 492005), (95, 336635), (247, 129475), (325, 98401), (475, 67327), (1235, 25895), (5179, 6175)]