880780

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{937}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 1891008

約数和(自身を除く): 1010228

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 937, 940, 1874, 3748, 4685, 9370, 18740, 44039, 88078, 176156, 220195, 440390, 880780]

約数ペア:

[(1, 880780), (2, 440390), (4, 220195), (5, 176156), (10, 88078), (20, 44039), (47, 18740), (94, 9370), (188, 4685), (235, 3748), (470, 1874), (937, 940)]