82720180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{1123}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 181278720

約数和(自身を除く): 98558540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 127, 145, 254, 290, 508, 580, 635, 1123, 1270, 2246, 2540, 3683, 4492, 5615, 7366, 11230, 14732, 18415, 22460, 32567, 36830, 65134, 73660, 130268, 142621, 162835, 285242, 325670, 570484, 651340, 713105, 1426210, 2852420, 4136009, 8272018, 16544036, 20680045, 41360090, 82720180]

約数ペア:

[(1, 82720180), (2, 41360090), (4, 20680045), (5, 16544036), (10, 8272018), (20, 4136009), (29, 2852420), (58, 1426210), (116, 713105), (127, 651340), (145, 570484), (254, 325670), (290, 285242), (508, 162835), (580, 142621), (635, 130268), (1123, 73660), (1270, 65134), (2246, 36830), (2540, 32567), (3683, 22460), (4492, 18415), (5615, 14732), (7366, 11230)]