80218160

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{8287}}^1$

素因数の和:8322

約数の個数: 60

約数和(自身を含む): 205028544

約数和(自身を除く): 124810384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 8287, 9680, 16574, 33148, 41435, 66296, 82870, 91157, 132592, 165740, 182314, 331480, 364628, 455785, 662960, 729256, 911570, 1002727, 1458512, 1823140, 2005454, 3646280, 4010908, 5013635, 7292560, 8021816, 10027270, 16043632, 20054540, 40109080, 80218160]

約数ペア:

[(1, 80218160), (2, 40109080), (4, 20054540), (5, 16043632), (8, 10027270), (10, 8021816), (11, 7292560), (16, 5013635), (20, 4010908), (22, 3646280), (40, 2005454), (44, 1823140), (55, 1458512), (80, 1002727), (88, 911570), (110, 729256), (121, 662960), (176, 455785), (220, 364628), (242, 331480), (440, 182314), (484, 165740), (605, 132592), (880, 91157), (968, 82870), (1210, 66296), (1936, 41435), (2420, 33148), (4840, 16574), (8287, 9680)]