859625840

素因数分解:

$2^4\times 5^1\times {\mathrm{10745323}}^1$

素因数の和:10745336

約数の個数: 20

約数和(自身を含む): 1998630264

約数和(自身を除く): 1139004424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 10745323, 21490646, 42981292, 53726615, 85962584, 107453230, 171925168, 214906460, 429812920, 859625840]

約数ペア:

[(1, 859625840), (2, 429812920), (4, 214906460), (5, 171925168), (8, 107453230), (10, 85962584), (16, 53726615), (20, 42981292), (40, 21490646), (80, 10745323)]