212634040

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{12109}}^1$

素因数の和:12559

約数の個数: 32

約数和(自身を含む): 479556000

約数和(自身を除く): 266921960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1756, 2195, 3512, 4390, 8780, 12109, 17560, 24218, 48436, 60545, 96872, 121090, 242180, 484360, 5315851, 10631702, 21263404, 26579255, 42526808, 53158510, 106317020, 212634040]

約数ペア:

[(1, 212634040), (2, 106317020), (4, 53158510), (5, 42526808), (8, 26579255), (10, 21263404), (20, 10631702), (40, 5315851), (439, 484360), (878, 242180), (1756, 121090), (2195, 96872), (3512, 60545), (4390, 48436), (8780, 24218), (12109, 17560)]