87321280

素因数分解:

$2^6\times 5^1\times {\mathrm{272879}}^1$

素因数の和:272896

約数の個数: 28

約数和(自身を含む): 207934560

約数和(自身を除く): 120613280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 272879, 545758, 1091516, 1364395, 2183032, 2728790, 4366064, 5457580, 8732128, 10915160, 17464256, 21830320, 43660640, 87321280]

約数ペア:

[(1, 87321280), (2, 43660640), (4, 21830320), (5, 17464256), (8, 10915160), (10, 8732128), (16, 5457580), (20, 4366064), (32, 2728790), (40, 2183032), (64, 1364395), (80, 1091516), (160, 545758), (320, 272879)]