208045573520

素因数分解:

$2^4\times 5^1\times {\mathrm{2600569669}}^1$

素因数の和:2600569682

約数の個数: 20

約数和(自身を含む): 483705958620

約数和(自身を除く): 275660385100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2600569669, 5201139338, 10402278676, 13002848345, 20804557352, 26005696690, 41609114704, 52011393380, 104022786760, 208045573520]

約数ペア:

[(1, 208045573520), (2, 104022786760), (4, 52011393380), (5, 41609114704), (8, 26005696690), (10, 20804557352), (16, 13002848345), (20, 10402278676), (40, 5201139338), (80, 2600569669)]