4444840

素因数分解:

$2^3\times 5^1\times {\mathrm{111121}}^1$

素因数の和:111132

約数の個数: 16

約数和(自身を含む): 10000980

約数和(自身を除く): 5556140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 111121, 222242, 444484, 555605, 888968, 1111210, 2222420, 4444840]

約数ペア:

[(1, 4444840), (2, 2222420), (4, 1111210), (5, 888968), (8, 555605), (10, 444484), (20, 222242), (40, 111121)]