520068740

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{388111}}^1$

素因数の和:388187

約数の個数: 24

約数和(自身を含む): 1108447872

約数和(自身を除く): 588379132

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 388111, 776222, 1552444, 1940555, 3881110, 7762220, 26003437, 52006874, 104013748, 130017185, 260034370, 520068740]

約数ペア:

[(1, 520068740), (2, 260034370), (4, 130017185), (5, 104013748), (10, 52006874), (20, 26003437), (67, 7762220), (134, 3881110), (268, 1940555), (335, 1552444), (670, 776222), (1340, 388111)]