565580020

素因数分解:

$2^2\times 5^1\times {\mathrm{4099}}^1\times {\mathrm{6899}}^1$

素因数の和:11007

約数の個数: 24

約数和(自身を含む): 1188180000

約数和(自身を除く): 622599980

約数列:

[1, 2, 4, 5, 10, 20, 4099, 6899, 8198, 13798, 16396, 20495, 27596, 34495, 40990, 68990, 81980, 137980, 28279001, 56558002, 113116004, 141395005, 282790010, 565580020]

約数ペア:

[(1, 565580020), (2, 282790010), (4, 141395005), (5, 113116004), (10, 56558002), (20, 28279001), (4099, 137980), (6899, 81980), (8198, 68990), (13798, 40990), (16396, 34495), (20495, 27596)]