8580980

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{5431}}^1$

素因数の和:5519

約数の個数: 24

約数和(自身を含む): 18251520

約数和(自身を除く): 9670540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 5431, 10862, 21724, 27155, 54310, 108620, 429049, 858098, 1716196, 2145245, 4290490, 8580980]

約数ペア:

[(1, 8580980), (2, 4290490), (4, 2145245), (5, 1716196), (10, 858098), (20, 429049), (79, 108620), (158, 54310), (316, 27155), (395, 21724), (790, 10862), (1580, 5431)]