23326640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6781}}^1$

素因数の和:6837

約数の個数: 40

約数和(自身を含む): 55503888

約数和(自身を除く): 32177248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 6781, 13562, 27124, 33905, 54248, 67810, 108496, 135620, 271240, 291583, 542480, 583166, 1166332, 1457915, 2332664, 2915830, 4665328, 5831660, 11663320, 23326640]

約数ペア:

[(1, 23326640), (2, 11663320), (4, 5831660), (5, 4665328), (8, 2915830), (10, 2332664), (16, 1457915), (20, 1166332), (40, 583166), (43, 542480), (80, 291583), (86, 271240), (172, 135620), (215, 108496), (344, 67810), (430, 54248), (688, 33905), (860, 27124), (1720, 13562), (3440, 6781)]