12715900

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1259}}^1$

素因数の和:1374

約数の個数: 36

約数和(自身を含む): 27888840

約数和(自身を除く): 15172940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 404, 505, 1010, 1259, 2020, 2518, 2525, 5036, 5050, 6295, 10100, 12590, 25180, 31475, 62950, 125900, 127159, 254318, 508636, 635795, 1271590, 2543180, 3178975, 6357950, 12715900]

約数ペア:

[(1, 12715900), (2, 6357950), (4, 3178975), (5, 2543180), (10, 1271590), (20, 635795), (25, 508636), (50, 254318), (100, 127159), (101, 125900), (202, 62950), (404, 31475), (505, 25180), (1010, 12590), (1259, 10100), (2020, 6295), (2518, 5050), (2525, 5036)]