39999260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{285709}}^1$

素因数の和:285725

約数の個数: 24

約数和(自身を含む): 95998560

約数和(自身を除く): 55999300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 285709, 571418, 1142836, 1428545, 1999963, 2857090, 3999926, 5714180, 7999852, 9999815, 19999630, 39999260]

約数ペア:

[(1, 39999260), (2, 19999630), (4, 9999815), (5, 7999852), (7, 5714180), (10, 3999926), (14, 2857090), (20, 1999963), (28, 1428545), (35, 1142836), (70, 571418), (140, 285709)]