87956540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{628261}}^1$

素因数の和:628277

約数の個数: 24

約数和(自身を含む): 211096032

約数和(自身を除く): 123139492

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 628261, 1256522, 2513044, 3141305, 4397827, 6282610, 8795654, 12565220, 17591308, 21989135, 43978270, 87956540]

約数ペア:

[(1, 87956540), (2, 43978270), (4, 21989135), (5, 17591308), (7, 12565220), (10, 8795654), (14, 6282610), (20, 4397827), (28, 3141305), (35, 2513044), (70, 1256522), (140, 628261)]