200303920

素因数分解:

$2^4\times 5^1\times {\mathrm{2503799}}^1$

素因数の和:2503812

約数の個数: 20

約数和(自身を含む): 465706800

約数和(自身を除く): 265402880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2503799, 5007598, 10015196, 12518995, 20030392, 25037990, 40060784, 50075980, 100151960, 200303920]

約数ペア:

[(1, 200303920), (2, 100151960), (4, 50075980), (5, 40060784), (8, 25037990), (10, 20030392), (16, 12518995), (20, 10015196), (40, 5007598), (80, 2503799)]