2015681680

素因数分解:

$2^4\times 5^1\times {\mathrm{25196021}}^1$

素因数の和:25196034

約数の個数: 20

約数和(自身を含む): 4686460092

約数和(自身を除く): 2670778412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25196021, 50392042, 100784084, 125980105, 201568168, 251960210, 403136336, 503920420, 1007840840, 2015681680]

約数ペア:

[(1, 2015681680), (2, 1007840840), (4, 503920420), (5, 403136336), (8, 251960210), (10, 201568168), (16, 125980105), (20, 100784084), (40, 50392042), (80, 25196021)]