28269920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{587}}^1$

素因数の和:652

約数の個数: 96

約数和(自身を含む): 78236928

約数和(自身を除く): 49967008

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 70, 80, 86, 112, 140, 160, 172, 215, 224, 280, 301, 344, 430, 560, 587, 602, 688, 860, 1120, 1174, 1204, 1376, 1505, 1720, 2348, 2408, 2935, 3010, 3440, 4109, 4696, 4816, 5870, 6020, 6880, 8218, 9392, 9632, 11740, 12040, 16436, 18784, 20545, 23480, 24080, 25241, 32872, 41090, 46960, 48160, 50482, 65744, 82180, 93920, 100964, 126205, 131488, 164360, 176687, 201928, 252410, 328720, 353374, 403856, 504820, 657440, 706748, 807712, 883435, 1009640, 1413496, 1766870, 2019280, 2826992, 3533740, 4038560, 5653984, 7067480, 14134960, 28269920]

約数ペア:

[(1, 28269920), (2, 14134960), (4, 7067480), (5, 5653984), (7, 4038560), (8, 3533740), (10, 2826992), (14, 2019280), (16, 1766870), (20, 1413496), (28, 1009640), (32, 883435), (35, 807712), (40, 706748), (43, 657440), (56, 504820), (70, 403856), (80, 353374), (86, 328720), (112, 252410), (140, 201928), (160, 176687), (172, 164360), (215, 131488), (224, 126205), (280, 100964), (301, 93920), (344, 82180), (430, 65744), (560, 50482), (587, 48160), (602, 46960), (688, 41090), (860, 32872), (1120, 25241), (1174, 24080), (1204, 23480), (1376, 20545), (1505, 18784), (1720, 16436), (2348, 12040), (2408, 11740), (2935, 9632), (3010, 9392), (3440, 8218), (4109, 6880), (4696, 6020), (4816, 5870)]