8049821180

素因数分解:

$2^2\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{390389}}^1$

素因数の和:391429

約数の個数: 24

約数和(自身を含む): 16921064160

約数和(自身を除く): 8871242980

約数列:

[1, 2, 4, 5, 10, 20, 1031, 2062, 4124, 5155, 10310, 20620, 390389, 780778, 1561556, 1951945, 3903890, 7807780, 402491059, 804982118, 1609964236, 2012455295, 4024910590, 8049821180]

約数ペア:

[(1, 8049821180), (2, 4024910590), (4, 2012455295), (5, 1609964236), (10, 804982118), (20, 402491059), (1031, 7807780), (2062, 3903890), (4124, 1951945), (5155, 1561556), (10310, 780778), (20620, 390389)]