78903280

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22937}}^1$

素因数の和:22993

約数の個数: 40

約数和(自身を含む): 187724592

約数和(自身を除く): 108821312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 22937, 45874, 91748, 114685, 183496, 229370, 366992, 458740, 917480, 986291, 1834960, 1972582, 3945164, 4931455, 7890328, 9862910, 15780656, 19725820, 39451640, 78903280]

約数ペア:

[(1, 78903280), (2, 39451640), (4, 19725820), (5, 15780656), (8, 9862910), (10, 7890328), (16, 4931455), (20, 3945164), (40, 1972582), (43, 1834960), (80, 986291), (86, 917480), (172, 458740), (215, 366992), (344, 229370), (430, 183496), (688, 114685), (860, 91748), (1720, 45874), (3440, 22937)]