28003100

素因数分解:

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

素因数の和:280045

約数の個数: 18

約数和(自身を含む): 60766944

約数和(自身を除く): 32763844

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 280031, 560062, 1120124, 1400155, 2800310, 5600620, 7000775, 14001550, 28003100]

約数ペア:

[(1, 28003100), (2, 14001550), (4, 7000775), (5, 5600620), (10, 2800310), (20, 1400155), (25, 1120124), (50, 560062), (100, 280031)]