10204720

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{641}}^1$

素因数の和:853

約数の個数: 40

約数和(自身を含む): 23882400

約数和(自身を除く): 13677680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 641, 796, 995, 1282, 1592, 1990, 2564, 3184, 3205, 3980, 5128, 6410, 7960, 10256, 12820, 15920, 25640, 51280, 127559, 255118, 510236, 637795, 1020472, 1275590, 2040944, 2551180, 5102360, 10204720]

約数ペア:

[(1, 10204720), (2, 5102360), (4, 2551180), (5, 2040944), (8, 1275590), (10, 1020472), (16, 637795), (20, 510236), (40, 255118), (80, 127559), (199, 51280), (398, 25640), (641, 15920), (796, 12820), (995, 10256), (1282, 7960), (1592, 6410), (1990, 5128), (2564, 3980), (3184, 3205)]