1260864400

素因数分解:

$2^4\times 5^2\times {\mathrm{3152161}}^1$

素因数の和:3152179

約数の個数: 30

約数和(自身を含む): 3029227682

約数和(自身を除く): 1768363282

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 3152161, 6304322, 12608644, 15760805, 25217288, 31521610, 50434576, 63043220, 78804025, 126086440, 157608050, 252172880, 315216100, 630432200, 1260864400]

約数ペア:

[(1, 1260864400), (2, 630432200), (4, 315216100), (5, 252172880), (8, 157608050), (10, 126086440), (16, 78804025), (20, 63043220), (25, 50434576), (40, 31521610), (50, 25217288), (80, 15760805), (100, 12608644), (200, 6304322), (400, 3152161)]