38858320

素因数分解:

$2^4\times 5^1\times {\mathrm{485729}}^1$

素因数の和:485742

約数の個数: 20

約数和(自身を含む): 90345780

約数和(自身を除く): 51487460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 485729, 971458, 1942916, 2428645, 3885832, 4857290, 7771664, 9714580, 19429160, 38858320]

約数ペア:

[(1, 38858320), (2, 19429160), (4, 9714580), (5, 7771664), (8, 4857290), (10, 3885832), (16, 2428645), (20, 1942916), (40, 971458), (80, 485729)]