87864560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{156901}}^1$

素因数の和:156921

約数の個数: 40

約数和(自身を含む): 233470176

約数和(自身を除く): 145605616

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 156901, 313802, 627604, 784505, 1098307, 1255208, 1569010, 2196614, 2510416, 3138020, 4393228, 5491535, 6276040, 8786456, 10983070, 12552080, 17572912, 21966140, 43932280, 87864560]

約数ペア:

[(1, 87864560), (2, 43932280), (4, 21966140), (5, 17572912), (7, 12552080), (8, 10983070), (10, 8786456), (14, 6276040), (16, 5491535), (20, 4393228), (28, 3138020), (35, 2510416), (40, 2196614), (56, 1569010), (70, 1255208), (80, 1098307), (112, 784505), (140, 627604), (280, 313802), (560, 156901)]