27867440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8101}}^1$

素因数の和:8157

約数の個数: 40

約数和(自身を含む): 66306768

約数和(自身を除く): 38439328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 8101, 16202, 32404, 40505, 64808, 81010, 129616, 162020, 324040, 348343, 648080, 696686, 1393372, 1741715, 2786744, 3483430, 5573488, 6966860, 13933720, 27867440]

約数ペア:

[(1, 27867440), (2, 13933720), (4, 6966860), (5, 5573488), (8, 3483430), (10, 2786744), (16, 1741715), (20, 1393372), (40, 696686), (43, 648080), (80, 348343), (86, 324040), (172, 162020), (215, 129616), (344, 81010), (430, 64808), (688, 40505), (860, 32404), (1720, 16202), (3440, 8101)]