71606980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{35449}}^1$

素因数の和:35559

約数の個数: 24

約数和(自身を含む): 151867800

約数和(自身を除く): 80260820

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 35449, 70898, 141796, 177245, 354490, 708980, 3580349, 7160698, 14321396, 17901745, 35803490, 71606980]

約数ペア:

[(1, 71606980), (2, 35803490), (4, 17901745), (5, 14321396), (10, 7160698), (20, 3580349), (101, 708980), (202, 354490), (404, 177245), (505, 141796), (1010, 70898), (2020, 35449)]