12657580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{547}}^1$

素因数の和:658

約数の個数: 48

約数和(自身を含む): 29000160

約数和(自身を除く): 16342580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 547, 890, 1094, 1157, 1780, 2188, 2314, 2735, 4628, 5470, 5785, 7111, 10940, 11570, 14222, 23140, 28444, 35555, 48683, 71110, 97366, 142220, 194732, 243415, 486830, 632879, 973660, 1265758, 2531516, 3164395, 6328790, 12657580]

約数ペア:

[(1, 12657580), (2, 6328790), (4, 3164395), (5, 2531516), (10, 1265758), (13, 973660), (20, 632879), (26, 486830), (52, 243415), (65, 194732), (89, 142220), (130, 97366), (178, 71110), (260, 48683), (356, 35555), (445, 28444), (547, 23140), (890, 14222), (1094, 11570), (1157, 10940), (1780, 7111), (2188, 5785), (2314, 5470), (2735, 4628)]