56205880

素因数分解:

$2^3\times 5^1\times {\mathrm{1405147}}^1$

素因数の和:1405158

約数の個数: 16

約数和(自身を含む): 126463320

約数和(自身を除く): 70257440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1405147, 2810294, 5620588, 7025735, 11241176, 14051470, 28102940, 56205880]

約数ペア:

[(1, 56205880), (2, 28102940), (4, 14051470), (5, 11241176), (8, 7025735), (10, 5620588), (20, 2810294), (40, 1405147)]