40081456

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{108917}}^1$

素因数の和:108948

約数の個数: 20

約数和(自身を含む): 81034992

約数和(自身を除く): 40953536

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 108917, 217834, 435668, 871336, 1742672, 2505091, 5010182, 10020364, 20040728, 40081456]

約数ペア:

[(1, 40081456), (2, 20040728), (4, 10020364), (8, 5010182), (16, 2505091), (23, 1742672), (46, 871336), (92, 435668), (184, 217834), (368, 108917)]