28274440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{13337}}^1$

素因数の和:13401

約数の個数: 32

約数和(自身を含む): 64822680

約数和(自身を除く): 36548240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 13337, 26674, 53348, 66685, 106696, 133370, 266740, 533480, 706861, 1413722, 2827444, 3534305, 5654888, 7068610, 14137220, 28274440]

約数ペア:

[(1, 28274440), (2, 14137220), (4, 7068610), (5, 5654888), (8, 3534305), (10, 2827444), (20, 1413722), (40, 706861), (53, 533480), (106, 266740), (212, 133370), (265, 106696), (424, 66685), (530, 53348), (1060, 26674), (2120, 13337)]