28509400

素因数分解:

$2^3\times 5^2\times {\mathrm{142547}}^1$

素因数の和:142563

約数の個数: 24

約数和(自身を含む): 66284820

約数和(自身を除く): 37775420

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 142547, 285094, 570188, 712735, 1140376, 1425470, 2850940, 3563675, 5701880, 7127350, 14254700, 28509400]

約数ペア:

[(1, 28509400), (2, 14254700), (4, 7127350), (5, 5701880), (8, 3563675), (10, 2850940), (20, 1425470), (25, 1140376), (40, 712735), (50, 570188), (100, 285094), (200, 142547)]