39385640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{140663}}^1$

素因数の和:140681

約数の個数: 32

約数和(自身を含む): 101278080

約数和(自身を除く): 61892440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 140663, 281326, 562652, 703315, 984641, 1125304, 1406630, 1969282, 2813260, 3938564, 4923205, 5626520, 7877128, 9846410, 19692820, 39385640]

約数ペア:

[(1, 39385640), (2, 19692820), (4, 9846410), (5, 7877128), (7, 5626520), (8, 4923205), (10, 3938564), (14, 2813260), (20, 1969282), (28, 1406630), (35, 1125304), (40, 984641), (56, 703315), (70, 562652), (140, 281326), (280, 140663)]