201920440

素因数分解:

$2^3\times 5^1\times {\mathrm{5048011}}^1$

素因数の和:5048022

約数の個数: 16

約数和(自身を含む): 454321080

約数和(自身を除く): 252400640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5048011, 10096022, 20192044, 25240055, 40384088, 50480110, 100960220, 201920440]

約数ペア:

[(1, 201920440), (2, 100960220), (4, 50480110), (5, 40384088), (8, 25240055), (10, 20192044), (20, 10096022), (40, 5048011)]