87235120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{155777}}^1$

素因数の和:155797

約数の個数: 40

約数和(自身を含む): 231797664

約数和(自身を除く): 144562544

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 155777, 311554, 623108, 778885, 1090439, 1246216, 1557770, 2180878, 2492432, 3115540, 4361756, 5452195, 6231080, 8723512, 10904390, 12462160, 17447024, 21808780, 43617560, 87235120]

約数ペア:

[(1, 87235120), (2, 43617560), (4, 21808780), (5, 17447024), (7, 12462160), (8, 10904390), (10, 8723512), (14, 6231080), (16, 5452195), (20, 4361756), (28, 3115540), (35, 2492432), (40, 2180878), (56, 1557770), (70, 1246216), (80, 1090439), (112, 778885), (140, 623108), (280, 311554), (560, 155777)]