1106440

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:349

約数の個数: 32

約数和(自身を含む): 2520000

約数和(自身を除く): 1413560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 199, 278, 398, 556, 695, 796, 995, 1112, 1390, 1592, 1990, 2780, 3980, 5560, 7960, 27661, 55322, 110644, 138305, 221288, 276610, 553220, 1106440]

約数ペア:

[(1, 1106440), (2, 553220), (4, 276610), (5, 221288), (8, 138305), (10, 110644), (20, 55322), (40, 27661), (139, 7960), (199, 5560), (278, 3980), (398, 2780), (556, 1990), (695, 1592), (796, 1390), (995, 1112)]