80736460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{576689}}^1$

素因数の和:576705

約数の個数: 24

約数和(自身を含む): 193767840

約数和(自身を除く): 113031380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 576689, 1153378, 2306756, 2883445, 4036823, 5766890, 8073646, 11533780, 16147292, 20184115, 40368230, 80736460]

約数ペア:

[(1, 80736460), (2, 40368230), (4, 20184115), (5, 16147292), (7, 11533780), (10, 8073646), (14, 5766890), (20, 4036823), (28, 2883445), (35, 2306756), (70, 1153378), (140, 576689)]