1388667080

素因数分解:

$2^3\times 5^1\times {\mathrm{8677}}^1\times {\mathrm{4001}}^1$

素因数の和:12689

約数の個数: 32

約数和(自身を含む): 3125642040

約数和(自身を除く): 1736974960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4001, 8002, 8677, 16004, 17354, 20005, 32008, 34708, 40010, 43385, 69416, 80020, 86770, 160040, 173540, 347080, 34716677, 69433354, 138866708, 173583385, 277733416, 347166770, 694333540, 1388667080]

約数ペア:

[(1, 1388667080), (2, 694333540), (4, 347166770), (5, 277733416), (8, 173583385), (10, 138866708), (20, 69433354), (40, 34716677), (4001, 347080), (8002, 173540), (8677, 160040), (16004, 86770), (17354, 80020), (20005, 69416), (32008, 43385), (34708, 40010)]