40828180

素因数分解:

$2^2\times 5^1\times {\mathrm{499}}^1\times {\mathrm{4091}}^1$

素因数の和:4599

約数の個数: 24

約数和(自身を含む): 85932000

約数和(自身を除く): 45103820

約数列:

[1, 2, 4, 5, 10, 20, 499, 998, 1996, 2495, 4091, 4990, 8182, 9980, 16364, 20455, 40910, 81820, 2041409, 4082818, 8165636, 10207045, 20414090, 40828180]

約数ペア:

[(1, 40828180), (2, 20414090), (4, 10207045), (5, 8165636), (10, 4082818), (20, 2041409), (499, 81820), (998, 40910), (1996, 20455), (2495, 16364), (4091, 9980), (4990, 8182)]