40815080

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1787}}^1$

素因数の和:2369

約数の個数: 32

約数和(自身を含む): 92046240

約数和(自身を除く): 51231160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 1142, 1787, 2284, 2855, 3574, 4568, 5710, 7148, 8935, 11420, 14296, 17870, 22840, 35740, 71480, 1020377, 2040754, 4081508, 5101885, 8163016, 10203770, 20407540, 40815080]

約数ペア:

[(1, 40815080), (2, 20407540), (4, 10203770), (5, 8163016), (8, 5101885), (10, 4081508), (20, 2040754), (40, 1020377), (571, 71480), (1142, 35740), (1787, 22840), (2284, 17870), (2855, 14296), (3574, 11420), (4568, 8935), (5710, 7148)]