49990280

素因数分解:

$2^3\times 5^1\times {\mathrm{1249757}}^1$

素因数の和:1249768

約数の個数: 16

約数和(自身を含む): 112478220

約数和(自身を除く): 62487940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1249757, 2499514, 4999028, 6248785, 9998056, 12497570, 24995140, 49990280]

約数ペア:

[(1, 49990280), (2, 24995140), (4, 12497570), (5, 9998056), (8, 6248785), (10, 4999028), (20, 2499514), (40, 1249757)]