67178480

素因数分解:

$2^4\times 5^1\times {\mathrm{839731}}^1$

素因数の和:839744

約数の個数: 20

約数和(自身を含む): 156190152

約数和(自身を除く): 89011672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 839731, 1679462, 3358924, 4198655, 6717848, 8397310, 13435696, 16794620, 33589240, 67178480]

約数ペア:

[(1, 67178480), (2, 33589240), (4, 16794620), (5, 13435696), (8, 8397310), (10, 6717848), (16, 4198655), (20, 3358924), (40, 1679462), (80, 839731)]