28055920

素因数分解:

$2^4\times 5^1\times {\mathrm{350699}}^1$

素因数の和:350712

約数の個数: 20

約数和(自身を含む): 65230200

約数和(自身を除く): 37174280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 350699, 701398, 1402796, 1753495, 2805592, 3506990, 5611184, 7013980, 14027960, 28055920]

約数ペア:

[(1, 28055920), (2, 14027960), (4, 7013980), (5, 5611184), (8, 3506990), (10, 2805592), (16, 1753495), (20, 1402796), (40, 701398), (80, 350699)]