39278960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{70141}}^1$

素因数の和:70161

約数の個数: 40

約数和(自身を含む): 104371296

約数和(自身を除く): 65092336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 70141, 140282, 280564, 350705, 490987, 561128, 701410, 981974, 1122256, 1402820, 1963948, 2454935, 2805640, 3927896, 4909870, 5611280, 7855792, 9819740, 19639480, 39278960]

約数ペア:

[(1, 39278960), (2, 19639480), (4, 9819740), (5, 7855792), (7, 5611280), (8, 4909870), (10, 3927896), (14, 2805640), (16, 2454935), (20, 1963948), (28, 1402820), (35, 1122256), (40, 981974), (56, 701410), (70, 561128), (80, 490987), (112, 350705), (140, 280564), (280, 140282), (560, 70141)]