28852280

素因数分解:

$2^3\times 5^1\times {\mathrm{721307}}^1$

素因数の和:721318

約数の個数: 16

約数和(自身を含む): 64917720

約数和(自身を除く): 36065440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 721307, 1442614, 2885228, 3606535, 5770456, 7213070, 14426140, 28852280]

約数ペア:

[(1, 28852280), (2, 14426140), (4, 7213070), (5, 5770456), (8, 3606535), (10, 2885228), (20, 1442614), (40, 721307)]