83478280

素因数分解:

$2^3\times 5^1\times {\mathrm{2086957}}^1$

素因数の和:2086968

約数の個数: 16

約数和(自身を含む): 187826220

約数和(自身を除く): 104347940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2086957, 4173914, 8347828, 10434785, 16695656, 20869570, 41739140, 83478280]

約数ペア:

[(1, 83478280), (2, 41739140), (4, 20869570), (5, 16695656), (8, 10434785), (10, 8347828), (20, 4173914), (40, 2086957)]