16638366025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{252001}}^1$

素因数の和:252169

約数の個数: 24

約数和(自身を含む): 21873773600

約数和(自身を除く): 5235407575

約数列:

[1, 5, 19, 25, 95, 139, 475, 695, 2641, 3475, 13205, 66025, 252001, 1260005, 4788019, 6300025, 23940095, 35028139, 119700475, 175140695, 665534641, 875703475, 3327673205, 16638366025]

約数ペア:

[(1, 16638366025), (5, 3327673205), (19, 875703475), (25, 665534641), (95, 175140695), (139, 119700475), (475, 35028139), (695, 23940095), (2641, 6300025), (3475, 4788019), (13205, 1260005), (66025, 252001)]