8810920

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{1319}}^1$

素因数の和:1497

約数の個数: 32

約数和(自身を含む): 19958400

約数和(自身を除く): 11147480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1319, 1336, 1670, 2638, 3340, 5276, 6595, 6680, 10552, 13190, 26380, 52760, 220273, 440546, 881092, 1101365, 1762184, 2202730, 4405460, 8810920]

約数ペア:

[(1, 8810920), (2, 4405460), (4, 2202730), (5, 1762184), (8, 1101365), (10, 881092), (20, 440546), (40, 220273), (167, 52760), (334, 26380), (668, 13190), (835, 10552), (1319, 6680), (1336, 6595), (1670, 5276), (2638, 3340)]