392240

素因数分解:

$2^4\times 5^1\times {\mathrm{4903}}^1$

素因数の和:4916

約数の個数: 20

約数和(自身を含む): 912144

約数和(自身を除く): 519904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4903, 9806, 19612, 24515, 39224, 49030, 78448, 98060, 196120, 392240]

約数ペア:

[(1, 392240), (2, 196120), (4, 98060), (5, 78448), (8, 49030), (10, 39224), (16, 24515), (20, 19612), (40, 9806), (80, 4903)]