6740680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3919}}^1$

素因数の和:3973

約数の個数: 32

約数和(自身を含む): 15523200

約数和(自身を除く): 8782520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 3919, 7838, 15676, 19595, 31352, 39190, 78380, 156760, 168517, 337034, 674068, 842585, 1348136, 1685170, 3370340, 6740680]

約数ペア:

[(1, 6740680), (2, 3370340), (4, 1685170), (5, 1348136), (8, 842585), (10, 674068), (20, 337034), (40, 168517), (43, 156760), (86, 78380), (172, 39190), (215, 31352), (344, 19595), (430, 15676), (860, 7838), (1720, 3919)]