83389520

素因数分解:

$2^4\times 5^1\times {\mathrm{1042369}}^1$

素因数の和:1042382

約数の個数: 20

約数和(自身を含む): 193880820

約数和(自身を除く): 110491300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1042369, 2084738, 4169476, 5211845, 8338952, 10423690, 16677904, 20847380, 41694760, 83389520]

約数ペア:

[(1, 83389520), (2, 41694760), (4, 20847380), (5, 16677904), (8, 10423690), (10, 8338952), (16, 5211845), (20, 4169476), (40, 2084738), (80, 1042369)]