7425740720

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{466441}}^1$

素因数の和:466653

約数の個数: 40

約数和(自身を含む): 17351642400

約数和(自身を除く): 9925901680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 7960, 15920, 466441, 932882, 1865764, 2332205, 3731528, 4664410, 7463056, 9328820, 18657640, 37315280, 92821759, 185643518, 371287036, 464108795, 742574072, 928217590, 1485148144, 1856435180, 3712870360, 7425740720]

約数ペア:

[(1, 7425740720), (2, 3712870360), (4, 1856435180), (5, 1485148144), (8, 928217590), (10, 742574072), (16, 464108795), (20, 371287036), (40, 185643518), (80, 92821759), (199, 37315280), (398, 18657640), (796, 9328820), (995, 7463056), (1592, 4664410), (1990, 3731528), (3184, 2332205), (3980, 1865764), (7960, 932882), (15920, 466441)]