77622280

素因数分解:

$2^3\times 5^1\times {\mathrm{1940557}}^1$

素因数の和:1940568

約数の個数: 16

約数和(自身を含む): 174650220

約数和(自身を除く): 97027940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1940557, 3881114, 7762228, 9702785, 15524456, 19405570, 38811140, 77622280]

約数ペア:

[(1, 77622280), (2, 38811140), (4, 19405570), (5, 15524456), (8, 9702785), (10, 7762228), (20, 3881114), (40, 1940557)]