31731280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{56663}}^1$

素因数の和:56683

約数の個数: 40

約数和(自身を含む): 84316032

約数和(自身を除く): 52584752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 56663, 113326, 226652, 283315, 396641, 453304, 566630, 793282, 906608, 1133260, 1586564, 1983205, 2266520, 3173128, 3966410, 4533040, 6346256, 7932820, 15865640, 31731280]

約数ペア:

[(1, 31731280), (2, 15865640), (4, 7932820), (5, 6346256), (7, 4533040), (8, 3966410), (10, 3173128), (14, 2266520), (16, 1983205), (20, 1586564), (28, 1133260), (35, 906608), (40, 793282), (56, 566630), (70, 453304), (80, 396641), (112, 283315), (140, 226652), (280, 113326), (560, 56663)]