889360

素因数分解:

$2^4\times 5^1\times {\mathrm{11117}}^1$

素因数の和:11130

約数の個数: 20

約数和(自身を含む): 2067948

約数和(自身を除く): 1178588

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 11117, 22234, 44468, 55585, 88936, 111170, 177872, 222340, 444680, 889360]

約数ペア:

[(1, 889360), (2, 444680), (4, 222340), (5, 177872), (8, 111170), (10, 88936), (16, 55585), (20, 44468), (40, 22234), (80, 11117)]