40475408

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{19919}}^1$

素因数の和:20054

約数の個数: 20

約数和(自身を含む): 79042560

約数和(自身を除く): 38567152

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 19919, 39838, 79676, 159352, 318704, 2529713, 5059426, 10118852, 20237704, 40475408]

約数ペア:

[(1, 40475408), (2, 20237704), (4, 10118852), (8, 5059426), (16, 2529713), (127, 318704), (254, 159352), (508, 79676), (1016, 39838), (2032, 19919)]