9279640

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1669}}^1$

素因数の和:1819

約数の個数: 32

約数和(自身を含む): 21042000

約数和(自身を除く): 11762360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 1669, 2780, 3338, 5560, 6676, 8345, 13352, 16690, 33380, 66760, 231991, 463982, 927964, 1159955, 1855928, 2319910, 4639820, 9279640]

約数ペア:

[(1, 9279640), (2, 4639820), (4, 2319910), (5, 1855928), (8, 1159955), (10, 927964), (20, 463982), (40, 231991), (139, 66760), (278, 33380), (556, 16690), (695, 13352), (1112, 8345), (1390, 6676), (1669, 5560), (2780, 3338)]