3932120

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{499}}^1$

素因数の和:707

約数の個数: 32

約数和(自身を含む): 8910000

約数和(自身を除く): 4977880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 499, 788, 985, 998, 1576, 1970, 1996, 2495, 3940, 3992, 4990, 7880, 9980, 19960, 98303, 196606, 393212, 491515, 786424, 983030, 1966060, 3932120]

約数ペア:

[(1, 3932120), (2, 1966060), (4, 983030), (5, 786424), (8, 491515), (10, 393212), (20, 196606), (40, 98303), (197, 19960), (394, 9980), (499, 7880), (788, 4990), (985, 3992), (998, 3940), (1576, 2495), (1970, 1996)]