8101760

素因数分解:

$2^7\times 5^1\times {\mathrm{12659}}^1$

素因数の和:12678

約数の個数: 32

約数和(自身を含む): 19369800

約数和(自身を除く): 11268040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12659, 25318, 50636, 63295, 101272, 126590, 202544, 253180, 405088, 506360, 810176, 1012720, 1620352, 2025440, 4050880, 8101760]

約数ペア:

[(1, 8101760), (2, 4050880), (4, 2025440), (5, 1620352), (8, 1012720), (10, 810176), (16, 506360), (20, 405088), (32, 253180), (40, 202544), (64, 126590), (80, 101272), (128, 63295), (160, 50636), (320, 25318), (640, 12659)]