18080560

素因数分解:

$2^4\times 5^1\times {\mathrm{226007}}^1$

素因数の和:226020

約数の個数: 20

約数和(自身を含む): 42037488

約数和(自身を除く): 23956928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 226007, 452014, 904028, 1130035, 1808056, 2260070, 3616112, 4520140, 9040280, 18080560]

約数ペア:

[(1, 18080560), (2, 9040280), (4, 4520140), (5, 3616112), (8, 2260070), (10, 1808056), (16, 1130035), (20, 904028), (40, 452014), (80, 226007)]