126460520

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{15887}}^1$

素因数の和:16097

約数の個数: 32

約数和(自身を含む): 285984000

約数和(自身を除く): 159523480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1990, 3980, 7960, 15887, 31774, 63548, 79435, 127096, 158870, 317740, 635480, 3161513, 6323026, 12646052, 15807565, 25292104, 31615130, 63230260, 126460520]

約数ペア:

[(1, 126460520), (2, 63230260), (4, 31615130), (5, 25292104), (8, 15807565), (10, 12646052), (20, 6323026), (40, 3161513), (199, 635480), (398, 317740), (796, 158870), (995, 127096), (1592, 79435), (1990, 63548), (3980, 31774), (7960, 15887)]