83988560

素因数分解:

$2^4\times 5^1\times {\mathrm{1049857}}^1$

素因数の和:1049870

約数の個数: 20

約数和(自身を含む): 195273588

約数和(自身を除く): 111285028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1049857, 2099714, 4199428, 5249285, 8398856, 10498570, 16797712, 20997140, 41994280, 83988560]

約数ペア:

[(1, 83988560), (2, 41994280), (4, 20997140), (5, 16797712), (8, 10498570), (10, 8398856), (16, 5249285), (20, 4199428), (40, 2099714), (80, 1049857)]