855580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3889}}^1$

素因数の和:3909

約数の個数: 24

約数和(自身を含む): 1960560

約数和(自身を除く): 1104980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 3889, 7778, 15556, 19445, 38890, 42779, 77780, 85558, 171116, 213895, 427790, 855580]

約数ペア:

[(1, 855580), (2, 427790), (4, 213895), (5, 171116), (10, 85558), (11, 77780), (20, 42779), (22, 38890), (44, 19445), (55, 15556), (110, 7778), (220, 3889)]