201564520

素因数分解:

$2^3\times 5^1\times {\mathrm{5039113}}^1$

素因数の和:5039124

約数の個数: 16

約数和(自身を含む): 453520260

約数和(自身を除く): 251955740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5039113, 10078226, 20156452, 25195565, 40312904, 50391130, 100782260, 201564520]

約数ペア:

[(1, 201564520), (2, 100782260), (4, 50391130), (5, 40312904), (8, 25195565), (10, 20156452), (20, 10078226), (40, 5039113)]