83985680

素因数分解:

$2^4\times 5^1\times {\mathrm{1049821}}^1$

素因数の和:1049834

約数の個数: 20

約数和(自身を含む): 195266892

約数和(自身を除く): 111281212

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1049821, 2099642, 4199284, 5249105, 8398568, 10498210, 16797136, 20996420, 41992840, 83985680]

約数ペア:

[(1, 83985680), (2, 41992840), (4, 20996420), (5, 16797136), (8, 10498210), (10, 8398568), (16, 5249105), (20, 4199284), (40, 2099642), (80, 1049821)]