11663320

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6781}}^1$

素因数の和:6835

約数の個数: 32

約数和(自身を含む): 26856720

約数和(自身を除く): 15193400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 6781, 13562, 27124, 33905, 54248, 67810, 135620, 271240, 291583, 583166, 1166332, 1457915, 2332664, 2915830, 5831660, 11663320]

約数ペア:

[(1, 11663320), (2, 5831660), (4, 2915830), (5, 2332664), (8, 1457915), (10, 1166332), (20, 583166), (40, 291583), (43, 271240), (86, 135620), (172, 67810), (215, 54248), (344, 33905), (430, 27124), (860, 13562), (1720, 6781)]