85217920

素因数分解:

$2^7\times 5^1\times {\mathrm{133153}}^1$

素因数の和:133172

約数の個数: 32

約数和(自身を含む): 203725620

約数和(自身を除く): 118507700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 133153, 266306, 532612, 665765, 1065224, 1331530, 2130448, 2663060, 4260896, 5326120, 8521792, 10652240, 17043584, 21304480, 42608960, 85217920]

約数ペア:

[(1, 85217920), (2, 42608960), (4, 21304480), (5, 17043584), (8, 10652240), (10, 8521792), (16, 5326120), (20, 4260896), (32, 2663060), (40, 2130448), (64, 1331530), (80, 1065224), (128, 665765), (160, 532612), (320, 266306), (640, 133153)]