80266640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52807}}^1$

素因数の和:52839

約数の個数: 40

約数和(自身を含む): 196445760

約数和(自身を除く): 116179120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 52807, 105614, 211228, 264035, 422456, 528070, 844912, 1003333, 1056140, 2006666, 2112280, 4013332, 4224560, 5016665, 8026664, 10033330, 16053328, 20066660, 40133320, 80266640]

約数ペア:

[(1, 80266640), (2, 40133320), (4, 20066660), (5, 16053328), (8, 10033330), (10, 8026664), (16, 5016665), (19, 4224560), (20, 4013332), (38, 2112280), (40, 2006666), (76, 1056140), (80, 1003333), (95, 844912), (152, 528070), (190, 422456), (304, 264035), (380, 211228), (760, 105614), (1520, 52807)]