80208505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{30097}}^1$

素因数の和:30156

約数の個数: 16

約数和(自身を含む): 106185744

約数和(自身を除く): 25977239

約数列:

[1, 5, 13, 41, 65, 205, 533, 2665, 30097, 150485, 391261, 1233977, 1956305, 6169885, 16041701, 80208505]

約数ペア:

[(1, 80208505), (5, 16041701), (13, 6169885), (41, 1956305), (65, 1233977), (205, 391261), (533, 150485), (2665, 30097)]