2112400

素因数分解:

$2^4\times 5^2\times {\mathrm{5281}}^1$

素因数の和:5299

約数の個数: 30

約数和(自身を含む): 5076002

約数和(自身を除く): 2963602

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 5281, 10562, 21124, 26405, 42248, 52810, 84496, 105620, 132025, 211240, 264050, 422480, 528100, 1056200, 2112400]

約数ペア:

[(1, 2112400), (2, 1056200), (4, 528100), (5, 422480), (8, 264050), (10, 211240), (16, 132025), (20, 105620), (25, 84496), (40, 52810), (50, 42248), (80, 26405), (100, 21124), (200, 10562), (400, 5281)]