55507480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{198241}}^1$

素因数の和:198259

約数の個数: 32

約数和(自身を含む): 142734240

約数和(自身を除く): 87226760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 198241, 396482, 792964, 991205, 1387687, 1585928, 1982410, 2775374, 3964820, 5550748, 6938435, 7929640, 11101496, 13876870, 27753740, 55507480]

約数ペア:

[(1, 55507480), (2, 27753740), (4, 13876870), (5, 11101496), (7, 7929640), (8, 6938435), (10, 5550748), (14, 3964820), (20, 2775374), (28, 1982410), (35, 1585928), (40, 1387687), (56, 991205), (70, 792964), (140, 396482), (280, 198241)]