6738640

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{643}}^1$

素因数の和:787

約数の個数: 40

約数和(自身を含む): 15811488

約数和(自身を除く): 9072848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 643, 655, 1048, 1286, 1310, 2096, 2572, 2620, 3215, 5144, 5240, 6430, 10288, 10480, 12860, 25720, 51440, 84233, 168466, 336932, 421165, 673864, 842330, 1347728, 1684660, 3369320, 6738640]

約数ペア:

[(1, 6738640), (2, 3369320), (4, 1684660), (5, 1347728), (8, 842330), (10, 673864), (16, 421165), (20, 336932), (40, 168466), (80, 84233), (131, 51440), (262, 25720), (524, 12860), (643, 10480), (655, 10288), (1048, 6430), (1286, 5240), (1310, 5144), (2096, 3215), (2572, 2620)]