210005260

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{103963}}^1$

素因数の和:104073

約数の個数: 24

約数和(自身を含む): 445381776

約数和(自身を除く): 235376516

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 103963, 207926, 415852, 519815, 1039630, 2079260, 10500263, 21000526, 42001052, 52501315, 105002630, 210005260]

約数ペア:

[(1, 210005260), (2, 105002630), (4, 52501315), (5, 42001052), (10, 21000526), (20, 10500263), (101, 2079260), (202, 1039630), (404, 519815), (505, 415852), (1010, 207926), (2020, 103963)]