8456980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2083}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 21006720

約数和(自身を除く): 12549740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 2083, 4060, 4166, 8332, 10415, 14581, 20830, 29162, 41660, 58324, 60407, 72905, 120814, 145810, 241628, 291620, 302035, 422849, 604070, 845698, 1208140, 1691396, 2114245, 4228490, 8456980]

約数ペア:

[(1, 8456980), (2, 4228490), (4, 2114245), (5, 1691396), (7, 1208140), (10, 845698), (14, 604070), (20, 422849), (28, 302035), (29, 291620), (35, 241628), (58, 145810), (70, 120814), (116, 72905), (140, 60407), (145, 58324), (203, 41660), (290, 29162), (406, 20830), (580, 14581), (812, 10415), (1015, 8332), (2030, 4166), (2083, 4060)]