1296752840

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{483863}}^1$

素因数の和:483941

約数の個数: 32

約数和(自身を含む): 2961247680

約数和(自身を除く): 1664494840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 483863, 967726, 1935452, 2419315, 3870904, 4838630, 9677260, 19354520, 32418821, 64837642, 129675284, 162094105, 259350568, 324188210, 648376420, 1296752840]

約数ペア:

[(1, 1296752840), (2, 648376420), (4, 324188210), (5, 259350568), (8, 162094105), (10, 129675284), (20, 64837642), (40, 32418821), (67, 19354520), (134, 9677260), (268, 4838630), (335, 3870904), (536, 2419315), (670, 1935452), (1340, 967726), (2680, 483863)]