123931340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{476659}}^1$

素因数の和:476681

約数の個数: 24

約数和(自身を含む): 280276080

約数和(自身を除く): 156344740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 476659, 953318, 1906636, 2383295, 4766590, 6196567, 9533180, 12393134, 24786268, 30982835, 61965670, 123931340]

約数ペア:

[(1, 123931340), (2, 61965670), (4, 30982835), (5, 24786268), (10, 12393134), (13, 9533180), (20, 6196567), (26, 4766590), (52, 2383295), (65, 1906636), (130, 953318), (260, 476659)]