80563640

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{42853}}^1$

素因数の和:42911

約数の個数: 32

約数和(自身を含む): 185129280

約数和(自身を除く): 104565640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 42853, 85706, 171412, 214265, 342824, 428530, 857060, 1714120, 2014091, 4028182, 8056364, 10070455, 16112728, 20140910, 40281820, 80563640]

約数ペア:

[(1, 80563640), (2, 40281820), (4, 20140910), (5, 16112728), (8, 10070455), (10, 8056364), (20, 4028182), (40, 2014091), (47, 1714120), (94, 857060), (188, 428530), (235, 342824), (376, 214265), (470, 171412), (940, 85706), (1880, 42853)]