39997580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{285697}}^1$

素因数の和:285713

約数の個数: 24

約数和(自身を含む): 95994528

約数和(自身を除く): 55996948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 285697, 571394, 1142788, 1428485, 1999879, 2856970, 3999758, 5713940, 7999516, 9999395, 19998790, 39997580]

約数ペア:

[(1, 39997580), (2, 19998790), (4, 9999395), (5, 7999516), (7, 5713940), (10, 3999758), (14, 2856970), (20, 1999879), (28, 1428485), (35, 1142788), (70, 571394), (140, 285697)]