872505560

素因数分解:

$2^3\times 5^1\times {\mathrm{21812639}}^1$

素因数の和:21812650

約数の個数: 16

約数和(自身を含む): 1963137600

約数和(自身を除く): 1090632040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21812639, 43625278, 87250556, 109063195, 174501112, 218126390, 436252780, 872505560]

約数ペア:

[(1, 872505560), (2, 436252780), (4, 218126390), (5, 174501112), (8, 109063195), (10, 87250556), (20, 43625278), (40, 21812639)]