90489920

素因数分解:

$2^6\times 5^1\times {\mathrm{83}}^1\times {\mathrm{3407}}^1$

素因数の和:3507

約数の個数: 56

約数和(自身を含む): 218139264

約数和(自身を除く): 127649344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 160, 166, 320, 332, 415, 664, 830, 1328, 1660, 2656, 3320, 3407, 5312, 6640, 6814, 13280, 13628, 17035, 26560, 27256, 34070, 54512, 68140, 109024, 136280, 218048, 272560, 282781, 545120, 565562, 1090240, 1131124, 1413905, 2262248, 2827810, 4524496, 5655620, 9048992, 11311240, 18097984, 22622480, 45244960, 90489920]

約数ペア:

[(1, 90489920), (2, 45244960), (4, 22622480), (5, 18097984), (8, 11311240), (10, 9048992), (16, 5655620), (20, 4524496), (32, 2827810), (40, 2262248), (64, 1413905), (80, 1131124), (83, 1090240), (160, 565562), (166, 545120), (320, 282781), (332, 272560), (415, 218048), (664, 136280), (830, 109024), (1328, 68140), (1660, 54512), (2656, 34070), (3320, 27256), (3407, 26560), (5312, 17035), (6640, 13628), (6814, 13280)]