80321456

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{36643}}^1$

素因数の和:36788

約数の個数: 20

約数和(自身を含む): 156763032

約数和(自身を除く): 76441576

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 36643, 73286, 146572, 293144, 586288, 5020091, 10040182, 20080364, 40160728, 80321456]

約数ペア:

[(1, 80321456), (2, 40160728), (4, 20080364), (8, 10040182), (16, 5020091), (137, 586288), (274, 293144), (548, 146572), (1096, 73286), (2192, 36643)]