2660996860

素因数分解:

$2^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{427813}}^1$

素因数の和:428133

約数の個数: 24

約数和(自身を含む): 5606074656

約数和(自身を除く): 2945077796

約数列:

[1, 2, 4, 5, 10, 20, 311, 622, 1244, 1555, 3110, 6220, 427813, 855626, 1711252, 2139065, 4278130, 8556260, 133049843, 266099686, 532199372, 665249215, 1330498430, 2660996860]

約数ペア:

[(1, 2660996860), (2, 1330498430), (4, 665249215), (5, 532199372), (10, 266099686), (20, 133049843), (311, 8556260), (622, 4278130), (1244, 2139065), (1555, 1711252), (3110, 855626), (6220, 427813)]