209065880

素因数分解:

$2^3\times 5^1\times {\mathrm{5226647}}^1$

素因数の和:5226658

約数の個数: 16

約数和(自身を含む): 470398320

約数和(自身を除く): 261332440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5226647, 10453294, 20906588, 26133235, 41813176, 52266470, 104532940, 209065880]

約数ペア:

[(1, 209065880), (2, 104532940), (4, 52266470), (5, 41813176), (8, 26133235), (10, 20906588), (20, 10453294), (40, 5226647)]