13309064840

素因数分解:

$2^3\times 5^1\times {\mathrm{739}}^1\times {\mathrm{450239}}^1$

素因数の和:450989

約数の個数: 32

約数和(自身を含む): 29985984000

約数和(自身を除く): 16676919160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 739, 1478, 2956, 3695, 5912, 7390, 14780, 29560, 450239, 900478, 1800956, 2251195, 3601912, 4502390, 9004780, 18009560, 332726621, 665453242, 1330906484, 1663633105, 2661812968, 3327266210, 6654532420, 13309064840]

約数ペア:

[(1, 13309064840), (2, 6654532420), (4, 3327266210), (5, 2661812968), (8, 1663633105), (10, 1330906484), (20, 665453242), (40, 332726621), (739, 18009560), (1478, 9004780), (2956, 4502390), (3695, 3601912), (5912, 2251195), (7390, 1800956), (14780, 900478), (29560, 450239)]