22248880

素因数分解:

$2^4\times 5^1\times {\mathrm{278111}}^1$

素因数の和:278124

約数の個数: 20

約数和(自身を含む): 51728832

約数和(自身を除く): 29479952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 278111, 556222, 1112444, 1390555, 2224888, 2781110, 4449776, 5562220, 11124440, 22248880]

約数ペア:

[(1, 22248880), (2, 11124440), (4, 5562220), (5, 4449776), (8, 2781110), (10, 2224888), (16, 1390555), (20, 1112444), (40, 556222), (80, 278111)]