2021323557640

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{3863}}^1\times {\mathrm{26861}}^1$

素因数の和:31222

約数の個数: 64

約数和(自身を含む): 4558666210560

約数和(自身を除く): 2537342652920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3863, 3896, 4870, 7726, 9740, 15452, 19315, 19480, 26861, 30904, 38630, 53722, 77260, 107444, 134305, 154520, 214888, 268610, 537220, 1074440, 1881281, 3762562, 7525124, 9406405, 13081307, 15050248, 18812810, 26162614, 37625620, 52325228, 65406535, 75251240, 103764043, 104650456, 130813070, 207528086, 261626140, 415056172, 518820215, 523252280, 830112344, 1037640430, 2075280860, 4150561720, 50533088941, 101066177882, 202132355764, 252665444705, 404264711528, 505330889410, 1010661778820, 2021323557640]

約数ペア:

[(1, 2021323557640), (2, 1010661778820), (4, 505330889410), (5, 404264711528), (8, 252665444705), (10, 202132355764), (20, 101066177882), (40, 50533088941), (487, 4150561720), (974, 2075280860), (1948, 1037640430), (2435, 830112344), (3863, 523252280), (3896, 518820215), (4870, 415056172), (7726, 261626140), (9740, 207528086), (15452, 130813070), (19315, 104650456), (19480, 103764043), (26861, 75251240), (30904, 65406535), (38630, 52325228), (53722, 37625620), (77260, 26162614), (107444, 18812810), (134305, 15050248), (154520, 13081307), (214888, 9406405), (268610, 7525124), (537220, 3762562), (1074440, 1881281)]