8025640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{28663}}^1$

素因数の和:28681

約数の個数: 32

約数和(自身を含む): 20638080

約数和(自身を除く): 12612440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 28663, 57326, 114652, 143315, 200641, 229304, 286630, 401282, 573260, 802564, 1003205, 1146520, 1605128, 2006410, 4012820, 8025640]

約数ペア:

[(1, 8025640), (2, 4012820), (4, 2006410), (5, 1605128), (7, 1146520), (8, 1003205), (10, 802564), (14, 573260), (20, 401282), (28, 286630), (35, 229304), (40, 200641), (56, 143315), (70, 114652), (140, 57326), (280, 28663)]