139623893480

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{7167551}}^1$

素因数の和:7168049

約数の個数: 32

約数和(自身を含む): 314798883840

約数和(自身を除く): 175174990360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3896, 4870, 9740, 19480, 7167551, 14335102, 28670204, 35837755, 57340408, 71675510, 143351020, 286702040, 3490597337, 6981194674, 13962389348, 17452986685, 27924778696, 34905973370, 69811946740, 139623893480]

約数ペア:

[(1, 139623893480), (2, 69811946740), (4, 34905973370), (5, 27924778696), (8, 17452986685), (10, 13962389348), (20, 6981194674), (40, 3490597337), (487, 286702040), (974, 143351020), (1948, 71675510), (2435, 57340408), (3896, 35837755), (4870, 28670204), (9740, 14335102), (19480, 7167551)]