9902120

素因数分解:

$2^3\times 5^1\times {\mathrm{247553}}^1$

素因数の和:247564

約数の個数: 16

約数和(自身を含む): 22279860

約数和(自身を除く): 12377740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 247553, 495106, 990212, 1237765, 1980424, 2475530, 4951060, 9902120]

約数ペア:

[(1, 9902120), (2, 4951060), (4, 2475530), (5, 1980424), (8, 1237765), (10, 990212), (20, 495106), (40, 247553)]