57121960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{204007}}^1$

素因数の和:204025

約数の個数: 32

約数和(自身を含む): 146885760

約数和(自身を除く): 89763800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 204007, 408014, 816028, 1020035, 1428049, 1632056, 2040070, 2856098, 4080140, 5712196, 7140245, 8160280, 11424392, 14280490, 28560980, 57121960]

約数ペア:

[(1, 57121960), (2, 28560980), (4, 14280490), (5, 11424392), (7, 8160280), (8, 7140245), (10, 5712196), (14, 4080140), (20, 2856098), (28, 2040070), (35, 1632056), (40, 1428049), (56, 1020035), (70, 816028), (140, 408014), (280, 204007)]