39642040

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{2069}}^1$

素因数の和:2559

約数の個数: 32

約数和(自身を含む): 89424000

約数和(自身を除く): 49781960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 2069, 2395, 3832, 4138, 4790, 8276, 9580, 10345, 16552, 19160, 20690, 41380, 82760, 991051, 1982102, 3964204, 4955255, 7928408, 9910510, 19821020, 39642040]

約数ペア:

[(1, 39642040), (2, 19821020), (4, 9910510), (5, 7928408), (8, 4955255), (10, 3964204), (20, 1982102), (40, 991051), (479, 82760), (958, 41380), (1916, 20690), (2069, 19160), (2395, 16552), (3832, 10345), (4138, 9580), (4790, 8276)]