12967700

素因数分解:

$2^2\times 5^2\times {\mathrm{103}}^1\times {\mathrm{1259}}^1$

素因数の和:1376

約数の個数: 36

約数和(自身を含む): 28435680

約数和(自身を除く): 15467980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 103, 206, 412, 515, 1030, 1259, 2060, 2518, 2575, 5036, 5150, 6295, 10300, 12590, 25180, 31475, 62950, 125900, 129677, 259354, 518708, 648385, 1296770, 2593540, 3241925, 6483850, 12967700]

約数ペア:

[(1, 12967700), (2, 6483850), (4, 3241925), (5, 2593540), (10, 1296770), (20, 648385), (25, 518708), (50, 259354), (100, 129677), (103, 125900), (206, 62950), (412, 31475), (515, 25180), (1030, 12590), (1259, 10300), (2060, 6295), (2518, 5150), (2575, 5036)]