51836080

素因数分解:

$2^4\times 5^1\times {\mathrm{647951}}^1$

素因数の和:647964

約数の個数: 20

約数和(自身を含む): 120519072

約数和(自身を除く): 68682992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 647951, 1295902, 2591804, 3239755, 5183608, 6479510, 10367216, 12959020, 25918040, 51836080]

約数ペア:

[(1, 51836080), (2, 25918040), (4, 12959020), (5, 10367216), (8, 6479510), (10, 5183608), (16, 3239755), (20, 2591804), (40, 1295902), (80, 647951)]