80638432

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18947}}^1$

素因数の和:18983

約数の個数: 48

約数和(自身を含む): 190995840

約数和(自身を除く): 110357408

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 18947, 37894, 75788, 132629, 151576, 265258, 303152, 359993, 530516, 606304, 719986, 1061032, 1439972, 2122064, 2519951, 2879944, 4244128, 5039902, 5759888, 10079804, 11519776, 20159608, 40319216, 80638432]

約数ペア:

[(1, 80638432), (2, 40319216), (4, 20159608), (7, 11519776), (8, 10079804), (14, 5759888), (16, 5039902), (19, 4244128), (28, 2879944), (32, 2519951), (38, 2122064), (56, 1439972), (76, 1061032), (112, 719986), (133, 606304), (152, 530516), (224, 359993), (266, 303152), (304, 265258), (532, 151576), (608, 132629), (1064, 75788), (2128, 37894), (4256, 18947)]