80663120

素因数分解:

$2^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{5279}}^1$

素因数の和:5483

約数の個数: 40

約数和(自身を含む): 188559360

約数和(自身を除く): 107896240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 191, 382, 764, 955, 1528, 1910, 3056, 3820, 5279, 7640, 10558, 15280, 21116, 26395, 42232, 52790, 84464, 105580, 211160, 422320, 1008289, 2016578, 4033156, 5041445, 8066312, 10082890, 16132624, 20165780, 40331560, 80663120]

約数ペア:

[(1, 80663120), (2, 40331560), (4, 20165780), (5, 16132624), (8, 10082890), (10, 8066312), (16, 5041445), (20, 4033156), (40, 2016578), (80, 1008289), (191, 422320), (382, 211160), (764, 105580), (955, 84464), (1528, 52790), (1910, 42232), (3056, 26395), (3820, 21116), (5279, 15280), (7640, 10558)]