200456440

素因数分解:

$2^3\times 5^1\times {\mathrm{911}}^1\times {\mathrm{5501}}^1$

素因数の和:6423

約数の個数: 32

約数和(自身を含む): 451604160

約数和(自身を除く): 251147720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 911, 1822, 3644, 4555, 5501, 7288, 9110, 11002, 18220, 22004, 27505, 36440, 44008, 55010, 110020, 220040, 5011411, 10022822, 20045644, 25057055, 40091288, 50114110, 100228220, 200456440]

約数ペア:

[(1, 200456440), (2, 100228220), (4, 50114110), (5, 40091288), (8, 25057055), (10, 20045644), (20, 10022822), (40, 5011411), (911, 220040), (1822, 110020), (3644, 55010), (4555, 44008), (5501, 36440), (7288, 27505), (9110, 22004), (11002, 18220)]