77716280

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{52511}}^1$

素因数の和:52559

約数の個数: 32

約数和(自身を含む): 179591040

約数和(自身を除く): 101874760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 52511, 105022, 210044, 262555, 420088, 525110, 1050220, 1942907, 2100440, 3885814, 7771628, 9714535, 15543256, 19429070, 38858140, 77716280]

約数ペア:

[(1, 77716280), (2, 38858140), (4, 19429070), (5, 15543256), (8, 9714535), (10, 7771628), (20, 3885814), (37, 2100440), (40, 1942907), (74, 1050220), (148, 525110), (185, 420088), (296, 262555), (370, 210044), (740, 105022), (1480, 52511)]