39991210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{571303}}^1$

素因数の和:571317

約数の個数: 16

約数和(自身を含む): 82267776

約数和(自身を除く): 42276566

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 571303, 1142606, 2856515, 3999121, 5713030, 7998242, 19995605, 39991210]

約数ペア:

[(1, 39991210), (2, 19995605), (5, 7998242), (7, 5713030), (10, 3999121), (14, 2856515), (35, 1142606), (70, 571303)]