1580680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{919}}^1$

素因数の和:973

約数の個数: 32

約数和(自身を含む): 3643200

約数和(自身を除く): 2062520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 919, 1720, 1838, 3676, 4595, 7352, 9190, 18380, 36760, 39517, 79034, 158068, 197585, 316136, 395170, 790340, 1580680]

約数ペア:

[(1, 1580680), (2, 790340), (4, 395170), (5, 316136), (8, 197585), (10, 158068), (20, 79034), (40, 39517), (43, 36760), (86, 18380), (172, 9190), (215, 7352), (344, 4595), (430, 3676), (860, 1838), (919, 1720)]