40330640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{72019}}^1$

素因数の和:72039

約数の個数: 40

約数和(自身を含む): 107165760

約数和(自身を除く): 66835120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 72019, 144038, 288076, 360095, 504133, 576152, 720190, 1008266, 1152304, 1440380, 2016532, 2520665, 2880760, 4033064, 5041330, 5761520, 8066128, 10082660, 20165320, 40330640]

約数ペア:

[(1, 40330640), (2, 20165320), (4, 10082660), (5, 8066128), (7, 5761520), (8, 5041330), (10, 4033064), (14, 2880760), (16, 2520665), (20, 2016532), (28, 1440380), (35, 1152304), (40, 1008266), (56, 720190), (70, 576152), (80, 504133), (112, 360095), (140, 288076), (280, 144038), (560, 72019)]