86425640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{308663}}^1$

素因数の和:308681

約数の個数: 32

約数和(自身を含む): 222238080

約数和(自身を除く): 135812440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 308663, 617326, 1234652, 1543315, 2160641, 2469304, 3086630, 4321282, 6173260, 8642564, 10803205, 12346520, 17285128, 21606410, 43212820, 86425640]

約数ペア:

[(1, 86425640), (2, 43212820), (4, 21606410), (5, 17285128), (7, 12346520), (8, 10803205), (10, 8642564), (14, 6173260), (20, 4321282), (28, 3086630), (35, 2469304), (40, 2160641), (56, 1543315), (70, 1234652), (140, 617326), (280, 308663)]