136564520

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{6553}}^1$

素因数の和:7085

約数の個数: 32

約数和(自身を含む): 307906920

約数和(自身を除く): 171342400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 4168, 5210, 6553, 10420, 13106, 20840, 26212, 32765, 52424, 65530, 131060, 262120, 3414113, 6828226, 13656452, 17070565, 27312904, 34141130, 68282260, 136564520]

約数ペア:

[(1, 136564520), (2, 68282260), (4, 34141130), (5, 27312904), (8, 17070565), (10, 13656452), (20, 6828226), (40, 3414113), (521, 262120), (1042, 131060), (2084, 65530), (2605, 52424), (4168, 32765), (5210, 26212), (6553, 20840), (10420, 13106)]