82451120

素因数分解:

$2^4\times 5^1\times {\mathrm{1030639}}^1$

素因数の和:1030652

約数の個数: 20

約数和(自身を含む): 191699040

約数和(自身を除く): 109247920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1030639, 2061278, 4122556, 5153195, 8245112, 10306390, 16490224, 20612780, 41225560, 82451120]

約数ペア:

[(1, 82451120), (2, 41225560), (4, 20612780), (5, 16490224), (8, 10306390), (10, 8245112), (16, 5153195), (20, 4122556), (40, 2061278), (80, 1030639)]