12862280

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3613}}^1$

素因数の和:3713

約数の個数: 32

約数和(自身を含む): 29273400

約数和(自身を除く): 16411120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 3613, 7226, 14452, 18065, 28904, 36130, 72260, 144520, 321557, 643114, 1286228, 1607785, 2572456, 3215570, 6431140, 12862280]

約数ペア:

[(1, 12862280), (2, 6431140), (4, 3215570), (5, 2572456), (8, 1607785), (10, 1286228), (20, 643114), (40, 321557), (89, 144520), (178, 72260), (356, 36130), (445, 28904), (712, 18065), (890, 14452), (1780, 7226), (3560, 3613)]