91400720

素因数分解:

$2^4\times 5^1\times {\mathrm{1142509}}^1$

素因数の和:1142522

約数の個数: 20

約数和(自身を含む): 212506860

約数和(自身を除く): 121106140

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1142509, 2285018, 4570036, 5712545, 9140072, 11425090, 18280144, 22850180, 45700360, 91400720]

約数ペア:

[(1, 91400720), (2, 45700360), (4, 22850180), (5, 18280144), (8, 11425090), (10, 9140072), (16, 5712545), (20, 4570036), (40, 2285018), (80, 1142509)]