91465640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{326663}}^1$

素因数の和:326681

約数の個数: 32

約数和(自身を含む): 235198080

約数和(自身を除く): 143732440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 326663, 653326, 1306652, 1633315, 2286641, 2613304, 3266630, 4573282, 6533260, 9146564, 11433205, 13066520, 18293128, 22866410, 45732820, 91465640]

約数ペア:

[(1, 91465640), (2, 45732820), (4, 22866410), (5, 18293128), (7, 13066520), (8, 11433205), (10, 9146564), (14, 6533260), (20, 4573282), (28, 3266630), (35, 2613304), (40, 2286641), (56, 1633315), (70, 1306652), (140, 653326), (280, 326663)]