57206840

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{10289}}^1$

素因数の和:10439

約数の個数: 32

約数和(自身を含む): 129654000

約数和(自身を除く): 72447160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 10289, 20578, 41156, 51445, 82312, 102890, 205780, 411560, 1430171, 2860342, 5720684, 7150855, 11441368, 14301710, 28603420, 57206840]

約数ペア:

[(1, 57206840), (2, 28603420), (4, 14301710), (5, 11441368), (8, 7150855), (10, 5720684), (20, 2860342), (40, 1430171), (139, 411560), (278, 205780), (556, 102890), (695, 82312), (1112, 51445), (1390, 41156), (2780, 20578), (5560, 10289)]