84997480

素因数分解:

$2^3\times 5^1\times {\mathrm{1063}}^1\times {\mathrm{1999}}^1$

素因数の和:3073

約数の個数: 32

約数和(自身を含む): 191520000

約数和(自身を除く): 106522520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1063, 1999, 2126, 3998, 4252, 5315, 7996, 8504, 9995, 10630, 15992, 19990, 21260, 39980, 42520, 79960, 2124937, 4249874, 8499748, 10624685, 16999496, 21249370, 42498740, 84997480]

約数ペア:

[(1, 84997480), (2, 42498740), (4, 21249370), (5, 16999496), (8, 10624685), (10, 8499748), (20, 4249874), (40, 2124937), (1063, 79960), (1999, 42520), (2126, 39980), (3998, 21260), (4252, 19990), (5315, 15992), (7996, 10630), (8504, 9995)]