80413480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{287191}}^1$

素因数の和:287209

約数の個数: 32

約数和(自身を含む): 206778240

約数和(自身を除く): 126364760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 287191, 574382, 1148764, 1435955, 2010337, 2297528, 2871910, 4020674, 5743820, 8041348, 10051685, 11487640, 16082696, 20103370, 40206740, 80413480]

約数ペア:

[(1, 80413480), (2, 40206740), (4, 20103370), (5, 16082696), (7, 11487640), (8, 10051685), (10, 8041348), (14, 5743820), (20, 4020674), (28, 2871910), (35, 2297528), (40, 2010337), (56, 1435955), (70, 1148764), (140, 574382), (280, 287191)]