83988280

素因数分解:

$2^3\times 5^1\times {\mathrm{2099707}}^1$

素因数の和:2099718

約数の個数: 16

約数和(自身を含む): 188973720

約数和(自身を除く): 104985440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2099707, 4199414, 8398828, 10498535, 16797656, 20997070, 41994140, 83988280]

約数ペア:

[(1, 83988280), (2, 41994140), (4, 20997070), (5, 16797656), (8, 10498535), (10, 8398828), (20, 4199414), (40, 2099707)]