22380080

素因数分解:

$2^4\times 5^1\times {\mathrm{279751}}^1$

素因数の和:279764

約数の個数: 20

約数和(自身を含む): 52033872

約数和(自身を除く): 29653792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 279751, 559502, 1119004, 1398755, 2238008, 2797510, 4476016, 5595020, 11190040, 22380080]

約数ペア:

[(1, 22380080), (2, 11190040), (4, 5595020), (5, 4476016), (8, 2797510), (10, 2238008), (16, 1398755), (20, 1119004), (40, 559502), (80, 279751)]