12080920

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2027}}^1$

素因数の和:2187

約数の個数: 32

約数和(自身を含む): 27378000

約数和(自身を除く): 15297080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2027, 2980, 4054, 5960, 8108, 10135, 16216, 20270, 40540, 81080, 302023, 604046, 1208092, 1510115, 2416184, 3020230, 6040460, 12080920]

約数ペア:

[(1, 12080920), (2, 6040460), (4, 3020230), (5, 2416184), (8, 1510115), (10, 1208092), (20, 604046), (40, 302023), (149, 81080), (298, 40540), (596, 20270), (745, 16216), (1192, 10135), (1490, 8108), (2027, 5960), (2980, 4054)]