25728080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{45943}}^1$

素因数の和:45963

約数の個数: 40

約数和(自身を含む): 68364672

約数和(自身を除く): 42636592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 45943, 91886, 183772, 229715, 321601, 367544, 459430, 643202, 735088, 918860, 1286404, 1608005, 1837720, 2572808, 3216010, 3675440, 5145616, 6432020, 12864040, 25728080]

約数ペア:

[(1, 25728080), (2, 12864040), (4, 6432020), (5, 5145616), (7, 3675440), (8, 3216010), (10, 2572808), (14, 1837720), (16, 1608005), (20, 1286404), (28, 918860), (35, 735088), (40, 643202), (56, 459430), (70, 367544), (80, 321601), (112, 229715), (140, 183772), (280, 91886), (560, 45943)]