39965240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{142733}}^1$

素因数の和:142751

約数の個数: 32

約数和(自身を含む): 102768480

約数和(自身を除く): 62803240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 142733, 285466, 570932, 713665, 999131, 1141864, 1427330, 1998262, 2854660, 3996524, 4995655, 5709320, 7993048, 9991310, 19982620, 39965240]

約数ペア:

[(1, 39965240), (2, 19982620), (4, 9991310), (5, 7993048), (7, 5709320), (8, 4995655), (10, 3996524), (14, 2854660), (20, 1998262), (28, 1427330), (35, 1141864), (40, 999131), (56, 713665), (70, 570932), (140, 285466), (280, 142733)]