80863501040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{144399109}}^1$

素因数の和:144399129

約数の個数: 40

約数和(自身を含む): 214865875680

約数和(自身を除く): 134002374640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 144399109, 288798218, 577596436, 721995545, 1010793763, 1155192872, 1443991090, 2021587526, 2310385744, 2887982180, 4043175052, 5053968815, 5775964360, 8086350104, 10107937630, 11551928720, 16172700208, 20215875260, 40431750520, 80863501040]

約数ペア:

[(1, 80863501040), (2, 40431750520), (4, 20215875260), (5, 16172700208), (7, 11551928720), (8, 10107937630), (10, 8086350104), (14, 5775964360), (16, 5053968815), (20, 4043175052), (28, 2887982180), (35, 2310385744), (40, 2021587526), (56, 1443991090), (70, 1155192872), (80, 1010793763), (112, 721995545), (140, 577596436), (280, 288798218), (560, 144399109)]