99515120

素因数分解:

$2^4\times 5^1\times {\mathrm{1243939}}^1$

素因数の和:1243952

約数の個数: 20

約数和(自身を含む): 231372840

約数和(自身を除く): 131857720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1243939, 2487878, 4975756, 6219695, 9951512, 12439390, 19903024, 24878780, 49757560, 99515120]

約数ペア:

[(1, 99515120), (2, 49757560), (4, 24878780), (5, 19903024), (8, 12439390), (10, 9951512), (16, 6219695), (20, 4975756), (40, 2487878), (80, 1243939)]