2543180

素因数分解:

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

素因数の和:1369

約数の個数: 24

約数和(自身を含む): 5397840

約数和(自身を除く): 2854660

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 1259, 2020, 2518, 5036, 6295, 12590, 25180, 127159, 254318, 508636, 635795, 1271590, 2543180]

約数ペア:

[(1, 2543180), (2, 1271590), (4, 635795), (5, 508636), (10, 254318), (20, 127159), (101, 25180), (202, 12590), (404, 6295), (505, 5036), (1010, 2518), (1259, 2020)]