80217928

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1021}}^1$

素因数の和:1118

約数の個数: 64

約数和(自身を含む): 182488320

約数和(自身を除く): 102270392

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 61, 92, 122, 161, 184, 244, 322, 427, 488, 644, 854, 1021, 1288, 1403, 1708, 2042, 2806, 3416, 4084, 5612, 7147, 8168, 9821, 11224, 14294, 19642, 23483, 28588, 39284, 46966, 57176, 62281, 78568, 93932, 124562, 164381, 187864, 249124, 328762, 435967, 498248, 657524, 871934, 1315048, 1432463, 1743868, 2864926, 3487736, 5729852, 10027241, 11459704, 20054482, 40108964, 80217928]

約数ペア:

[(1, 80217928), (2, 40108964), (4, 20054482), (7, 11459704), (8, 10027241), (14, 5729852), (23, 3487736), (28, 2864926), (46, 1743868), (56, 1432463), (61, 1315048), (92, 871934), (122, 657524), (161, 498248), (184, 435967), (244, 328762), (322, 249124), (427, 187864), (488, 164381), (644, 124562), (854, 93932), (1021, 78568), (1288, 62281), (1403, 57176), (1708, 46966), (2042, 39284), (2806, 28588), (3416, 23483), (4084, 19642), (5612, 14294), (7147, 11224), (8168, 9821)]