68889680

素因数分解:

$2^4\times 5^1\times {\mathrm{861121}}^1$

素因数の和:861134

約数の個数: 20

約数和(自身を含む): 160168692

約数和(自身を除く): 91279012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 861121, 1722242, 3444484, 4305605, 6888968, 8611210, 13777936, 17222420, 34444840, 68889680]

約数ペア:

[(1, 68889680), (2, 34444840), (4, 17222420), (5, 13777936), (8, 8611210), (10, 6888968), (16, 4305605), (20, 3444484), (40, 1722242), (80, 861121)]