39431440

素因数分解:

$2^4\times 5^1\times {\mathrm{492893}}^1$

素因数の和:492906

約数の個数: 20

約数和(自身を含む): 91678284

約数和(自身を除く): 52246844

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 492893, 985786, 1971572, 2464465, 3943144, 4928930, 7886288, 9857860, 19715720, 39431440]

約数ペア:

[(1, 39431440), (2, 19715720), (4, 9857860), (5, 7886288), (8, 4928930), (10, 3943144), (16, 2464465), (20, 1971572), (40, 985786), (80, 492893)]