40109456

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{131939}}^1$

素因数の和:131966

約数の個数: 20

約数和(自身を含む): 81802800

約数和(自身を除く): 41693344

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 131939, 263878, 527756, 1055512, 2111024, 2506841, 5013682, 10027364, 20054728, 40109456]

約数ペア:

[(1, 40109456), (2, 20054728), (4, 10027364), (8, 5013682), (16, 2506841), (19, 2111024), (38, 1055512), (76, 527756), (152, 263878), (304, 131939)]