1397335960

素因数分解:

$2^3\times 5^1\times {\mathrm{34933399}}^1$

素因数の和:34933410

約数の個数: 16

約数和(自身を含む): 3144006000

約数和(自身を除く): 1746670040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 34933399, 69866798, 139733596, 174666995, 279467192, 349333990, 698667980, 1397335960]

約数ペア:

[(1, 1397335960), (2, 698667980), (4, 349333990), (5, 279467192), (8, 174666995), (10, 139733596), (20, 69866798), (40, 34933399)]