88880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1$

素因数の和:125

約数の個数: 40

約数和(自身を含む): 227664

約数和(自身を除く): 138784

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 101, 110, 176, 202, 220, 404, 440, 505, 808, 880, 1010, 1111, 1616, 2020, 2222, 4040, 4444, 5555, 8080, 8888, 11110, 17776, 22220, 44440, 88880]

約数ペア:

[(1, 88880), (2, 44440), (4, 22220), (5, 17776), (8, 11110), (10, 8888), (11, 8080), (16, 5555), (20, 4444), (22, 4040), (40, 2222), (44, 2020), (55, 1616), (80, 1111), (88, 1010), (101, 880), (110, 808), (176, 505), (202, 440), (220, 404)]