10021640

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1259}}^1$

素因数の和:1469

約数の個数: 32

約数和(自身を含む): 22680000

約数和(自身を除く): 12658360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1259, 1592, 1990, 2518, 3980, 5036, 6295, 7960, 10072, 12590, 25180, 50360, 250541, 501082, 1002164, 1252705, 2004328, 2505410, 5010820, 10021640]

約数ペア:

[(1, 10021640), (2, 5010820), (4, 2505410), (5, 2004328), (8, 1252705), (10, 1002164), (20, 501082), (40, 250541), (199, 50360), (398, 25180), (796, 12590), (995, 10072), (1259, 7960), (1592, 6295), (1990, 5036), (2518, 3980)]