8427880

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1933}}^1$

素因数の和:2053

約数の個数: 32

約数和(自身を含む): 19146600

約数和(自身を除く): 10718720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 1933, 2180, 3866, 4360, 7732, 9665, 15464, 19330, 38660, 77320, 210697, 421394, 842788, 1053485, 1685576, 2106970, 4213940, 8427880]

約数ペア:

[(1, 8427880), (2, 4213940), (4, 2106970), (5, 1685576), (8, 1053485), (10, 842788), (20, 421394), (40, 210697), (109, 77320), (218, 38660), (436, 19330), (545, 15464), (872, 9665), (1090, 7732), (1933, 4360), (2180, 3866)]