90857560

素因数分解:

$2^3\times 5^1\times {\mathrm{2271439}}^1$

素因数の和:2271450

約数の個数: 16

約数和(自身を含む): 204429600

約数和(自身を除く): 113572040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2271439, 4542878, 9085756, 11357195, 18171512, 22714390, 45428780, 90857560]

約数ペア:

[(1, 90857560), (2, 45428780), (4, 22714390), (5, 18171512), (8, 11357195), (10, 9085756), (20, 4542878), (40, 2271439)]