123982280

素因数分解:

$2^3\times 5^1\times {\mathrm{3099557}}^1$

素因数の和:3099568

約数の個数: 16

約数和(自身を含む): 278960220

約数和(自身を除く): 154977940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3099557, 6199114, 12398228, 15497785, 24796456, 30995570, 61991140, 123982280]

約数ペア:

[(1, 123982280), (2, 61991140), (4, 30995570), (5, 24796456), (8, 15497785), (10, 12398228), (20, 6199114), (40, 3099557)]