12844960

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1867}}^1$

素因数の和:1925

約数の個数: 48

約数和(自身を含む): 31068576

約数和(自身を除く): 18223616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 1867, 3440, 3734, 6880, 7468, 9335, 14936, 18670, 29872, 37340, 59744, 74680, 80281, 149360, 160562, 298720, 321124, 401405, 642248, 802810, 1284496, 1605620, 2568992, 3211240, 6422480, 12844960]

約数ペア:

[(1, 12844960), (2, 6422480), (4, 3211240), (5, 2568992), (8, 1605620), (10, 1284496), (16, 802810), (20, 642248), (32, 401405), (40, 321124), (43, 298720), (80, 160562), (86, 149360), (160, 80281), (172, 74680), (215, 59744), (344, 37340), (430, 29872), (688, 18670), (860, 14936), (1376, 9335), (1720, 7468), (1867, 6880), (3440, 3734)]