56166680

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{19777}}^1$

素因数の和:19859

約数の個数: 32

約数和(自身を含む): 128161440

約数和(自身を除く): 71994760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 19777, 39554, 79108, 98885, 158216, 197770, 395540, 791080, 1404167, 2808334, 5616668, 7020835, 11233336, 14041670, 28083340, 56166680]

約数ペア:

[(1, 56166680), (2, 28083340), (4, 14041670), (5, 11233336), (8, 7020835), (10, 5616668), (20, 2808334), (40, 1404167), (71, 791080), (142, 395540), (284, 197770), (355, 158216), (568, 98885), (710, 79108), (1420, 39554), (2840, 19777)]