210490520

素因数分解:

$2^3\times 5^1\times {\mathrm{5262263}}^1$

素因数の和:5262274

約数の個数: 16

約数和(自身を含む): 473603760

約数和(自身を除く): 263113240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5262263, 10524526, 21049052, 26311315, 42098104, 52622630, 105245260, 210490520]

約数ペア:

[(1, 210490520), (2, 105245260), (4, 52622630), (5, 42098104), (8, 26311315), (10, 21049052), (20, 10524526), (40, 5262263)]