68803600

素因数分解:

$2^4\times 5^2\times {\mathrm{172009}}^1$

素因数の和:172027

約数の個数: 30

約数和(自身を含む): 165301610

約数和(自身を除く): 96498010

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 172009, 344018, 688036, 860045, 1376072, 1720090, 2752144, 3440180, 4300225, 6880360, 8600450, 13760720, 17200900, 34401800, 68803600]

約数ペア:

[(1, 68803600), (2, 34401800), (4, 17200900), (5, 13760720), (8, 8600450), (10, 6880360), (16, 4300225), (20, 3440180), (25, 2752144), (40, 1720090), (50, 1376072), (80, 860045), (100, 688036), (200, 344018), (400, 172009)]