140559640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{270307}}^1$

素因数の和:270331

約数の個数: 32

約数和(自身を含む): 340588080

約数和(自身を除く): 200028440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 270307, 540614, 1081228, 1351535, 2162456, 2703070, 3513991, 5406140, 7027982, 10812280, 14055964, 17569955, 28111928, 35139910, 70279820, 140559640]

約数ペア:

[(1, 140559640), (2, 70279820), (4, 35139910), (5, 28111928), (8, 17569955), (10, 14055964), (13, 10812280), (20, 7027982), (26, 5406140), (40, 3513991), (52, 2703070), (65, 2162456), (104, 1351535), (130, 1081228), (260, 540614), (520, 270307)]