57655640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{205913}}^1$

素因数の和:205931

約数の個数: 32

約数和(自身を含む): 148258080

約数和(自身を除く): 90602440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 205913, 411826, 823652, 1029565, 1441391, 1647304, 2059130, 2882782, 4118260, 5765564, 7206955, 8236520, 11531128, 14413910, 28827820, 57655640]

約数ペア:

[(1, 57655640), (2, 28827820), (4, 14413910), (5, 11531128), (7, 8236520), (8, 7206955), (10, 5765564), (14, 4118260), (20, 2882782), (28, 2059130), (35, 1647304), (40, 1441391), (56, 1029565), (70, 823652), (140, 411826), (280, 205913)]