8515420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{22409}}^1$

素因数の和:22437

約数の個数: 24

約数和(自身を含む): 18824400

約数和(自身を除く): 10308980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 22409, 44818, 89636, 112045, 224090, 425771, 448180, 851542, 1703084, 2128855, 4257710, 8515420]

約数ペア:

[(1, 8515420), (2, 4257710), (4, 2128855), (5, 1703084), (10, 851542), (19, 448180), (20, 425771), (38, 224090), (76, 112045), (95, 89636), (190, 44818), (380, 22409)]