255431140

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{22367}}^1$

素因数の和:22947

約数の個数: 24

約数和(自身を含む): 537368832

約数和(自身を除く): 281937692

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 2284, 2855, 5710, 11420, 22367, 44734, 89468, 111835, 223670, 447340, 12771557, 25543114, 51086228, 63857785, 127715570, 255431140]

約数ペア:

[(1, 255431140), (2, 127715570), (4, 63857785), (5, 51086228), (10, 25543114), (20, 12771557), (571, 447340), (1142, 223670), (2284, 111835), (2855, 89468), (5710, 44734), (11420, 22367)]