80847065

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{241}}^1\times {\mathrm{397}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 105754968

約数和(自身を除く): 24907903

約数列:

[1, 5, 13, 65, 169, 241, 397, 845, 1205, 1985, 3133, 5161, 15665, 25805, 40729, 67093, 95677, 203645, 335465, 478385, 1243801, 6219005, 16169413, 80847065]

約数ペア:

[(1, 80847065), (5, 16169413), (13, 6219005), (65, 1243801), (169, 478385), (241, 335465), (397, 203645), (845, 95677), (1205, 67093), (1985, 40729), (3133, 25805), (5161, 15665)]