2680456840

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{145361}}^1$

素因数の和:145833

約数の個数: 32

約数和(自身を含む): 6044151960

約数和(自身を除く): 3363695120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 922, 1844, 2305, 3688, 4610, 9220, 18440, 145361, 290722, 581444, 726805, 1162888, 1453610, 2907220, 5814440, 67011421, 134022842, 268045684, 335057105, 536091368, 670114210, 1340228420, 2680456840]

約数ペア:

[(1, 2680456840), (2, 1340228420), (4, 670114210), (5, 536091368), (8, 335057105), (10, 268045684), (20, 134022842), (40, 67011421), (461, 5814440), (922, 2907220), (1844, 1453610), (2305, 1162888), (3688, 726805), (4610, 581444), (9220, 290722), (18440, 145361)]