13118780

素因数分解:

$2^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1259}}^1$

素因数の和:1789

約数の個数: 24

約数和(自身を含む): 27624240

約数和(自身を除く): 14505460

約数列:

[1, 2, 4, 5, 10, 20, 521, 1042, 1259, 2084, 2518, 2605, 5036, 5210, 6295, 10420, 12590, 25180, 655939, 1311878, 2623756, 3279695, 6559390, 13118780]

約数ペア:

[(1, 13118780), (2, 6559390), (4, 3279695), (5, 2623756), (10, 1311878), (20, 655939), (521, 25180), (1042, 12590), (1259, 10420), (2084, 6295), (2518, 5210), (2605, 5036)]