22115440

素因数分解:

$2^4\times 5^1\times {\mathrm{276443}}^1$

素因数の和:276456

約数の個数: 20

約数和(自身を含む): 51418584

約数和(自身を除く): 29303144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 276443, 552886, 1105772, 1382215, 2211544, 2764430, 4423088, 5528860, 11057720, 22115440]

約数ペア:

[(1, 22115440), (2, 11057720), (4, 5528860), (5, 4423088), (8, 2764430), (10, 2211544), (16, 1382215), (20, 1105772), (40, 552886), (80, 276443)]