11201240

素因数分解:

$2^3\times 5^1\times {\mathrm{280031}}^1$

素因数の和:280042

約数の個数: 16

約数和(自身を含む): 25202880

約数和(自身を除く): 14001640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 280031, 560062, 1120124, 1400155, 2240248, 2800310, 5600620, 11201240]

約数ペア:

[(1, 11201240), (2, 5600620), (4, 2800310), (5, 2240248), (8, 1400155), (10, 1120124), (20, 560062), (40, 280031)]