9789920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{8741}}^1$

素因数の和:8763

約数の個数: 48

約数和(自身を含む): 26435808

約数和(自身を除く): 16645888

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 8741, 17482, 34964, 43705, 61187, 69928, 87410, 122374, 139856, 174820, 244748, 279712, 305935, 349640, 489496, 611870, 699280, 978992, 1223740, 1398560, 1957984, 2447480, 4894960, 9789920]

約数ペア:

[(1, 9789920), (2, 4894960), (4, 2447480), (5, 1957984), (7, 1398560), (8, 1223740), (10, 978992), (14, 699280), (16, 611870), (20, 489496), (28, 349640), (32, 305935), (35, 279712), (40, 244748), (56, 174820), (70, 139856), (80, 122374), (112, 87410), (140, 69928), (160, 61187), (224, 43705), (280, 34964), (560, 17482), (1120, 8741)]