8030020

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1291}}^1$

素因数の和:1611

約数の個数: 24

約数和(自身を含む): 16930368

約数和(自身を除く): 8900348

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1291, 1555, 2582, 3110, 5164, 6220, 6455, 12910, 25820, 401501, 803002, 1606004, 2007505, 4015010, 8030020]

約数ペア:

[(1, 8030020), (2, 4015010), (4, 2007505), (5, 1606004), (10, 803002), (20, 401501), (311, 25820), (622, 12910), (1244, 6455), (1291, 6220), (1555, 5164), (2582, 3110)]