15806800

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{919}}^1$

素因数の和:980

約数の個数: 60

約数和(自身を含む): 38901280

約数和(自身を除く): 23094480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 172, 200, 215, 344, 400, 430, 688, 860, 919, 1075, 1720, 1838, 2150, 3440, 3676, 4300, 4595, 7352, 8600, 9190, 14704, 17200, 18380, 22975, 36760, 39517, 45950, 73520, 79034, 91900, 158068, 183800, 197585, 316136, 367600, 395170, 632272, 790340, 987925, 1580680, 1975850, 3161360, 3951700, 7903400, 15806800]

約数ペア:

[(1, 15806800), (2, 7903400), (4, 3951700), (5, 3161360), (8, 1975850), (10, 1580680), (16, 987925), (20, 790340), (25, 632272), (40, 395170), (43, 367600), (50, 316136), (80, 197585), (86, 183800), (100, 158068), (172, 91900), (200, 79034), (215, 73520), (344, 45950), (400, 39517), (430, 36760), (688, 22975), (860, 18380), (919, 17200), (1075, 14704), (1720, 9190), (1838, 8600), (2150, 7352), (3440, 4595), (3676, 4300)]