88841960

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{4451}}^1$

素因数の和:4961

約数の個数: 32

約数和(自身を含む): 200340000

約数和(自身を除く): 111498040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1996, 2495, 3992, 4451, 4990, 8902, 9980, 17804, 19960, 22255, 35608, 44510, 89020, 178040, 2221049, 4442098, 8884196, 11105245, 17768392, 22210490, 44420980, 88841960]

約数ペア:

[(1, 88841960), (2, 44420980), (4, 22210490), (5, 17768392), (8, 11105245), (10, 8884196), (20, 4442098), (40, 2221049), (499, 178040), (998, 89020), (1996, 44510), (2495, 35608), (3992, 22255), (4451, 19960), (4990, 17804), (8902, 9980)]