44440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1$

素因数の和:123

約数の個数: 32

約数和(自身を含む): 110160

約数和(自身を除く): 65720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 808, 1010, 1111, 2020, 2222, 4040, 4444, 5555, 8888, 11110, 22220, 44440]

約数ペア:

[(1, 44440), (2, 22220), (4, 11110), (5, 8888), (8, 5555), (10, 4444), (11, 4040), (20, 2222), (22, 2020), (40, 1111), (44, 1010), (55, 808), (88, 505), (101, 440), (110, 404), (202, 220)]