13305520

素因数分解:

$2^4\times 5^1\times {\mathrm{166319}}^1$

素因数の和:166332

約数の個数: 20

約数和(自身を含む): 30935520

約数和(自身を除く): 17630000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 166319, 332638, 665276, 831595, 1330552, 1663190, 2661104, 3326380, 6652760, 13305520]

約数ペア:

[(1, 13305520), (2, 6652760), (4, 3326380), (5, 2661104), (8, 1663190), (10, 1330552), (16, 831595), (20, 665276), (40, 332638), (80, 166319)]