220056520

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{33751}}^1$

素因数の和:33925

約数の個数: 32

約数和(自身を含む): 498179520

約数和(自身を除く): 278123000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 33751, 67502, 135004, 168755, 270008, 337510, 675020, 1350040, 5501413, 11002826, 22005652, 27507065, 44011304, 55014130, 110028260, 220056520]

約数ペア:

[(1, 220056520), (2, 110028260), (4, 55014130), (5, 44011304), (8, 27507065), (10, 22005652), (20, 11002826), (40, 5501413), (163, 1350040), (326, 675020), (652, 337510), (815, 270008), (1304, 168755), (1630, 135004), (3260, 67502), (6520, 33751)]