8020005

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{4493}}^1$

素因数の和:4525

約数の個数: 32

約数和(自身を含む): 15531264

約数和(自身を除く): 7511259

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 85, 105, 119, 255, 357, 595, 1785, 4493, 13479, 22465, 31451, 67395, 76381, 94353, 157255, 229143, 381905, 471765, 534667, 1145715, 1604001, 2673335, 8020005]

約数ペア:

[(1, 8020005), (3, 2673335), (5, 1604001), (7, 1145715), (15, 534667), (17, 471765), (21, 381905), (35, 229143), (51, 157255), (85, 94353), (105, 76381), (119, 67395), (255, 31451), (357, 22465), (595, 13479), (1785, 4493)]