39869480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{142391}}^1$

素因数の和:142409

約数の個数: 32

約数和(自身を含む): 102522240

約数和(自身を除く): 62652760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 142391, 284782, 569564, 711955, 996737, 1139128, 1423910, 1993474, 2847820, 3986948, 4983685, 5695640, 7973896, 9967370, 19934740, 39869480]

約数ペア:

[(1, 39869480), (2, 19934740), (4, 9967370), (5, 7973896), (7, 5695640), (8, 4983685), (10, 3986948), (14, 2847820), (20, 1993474), (28, 1423910), (35, 1139128), (40, 996737), (56, 711955), (70, 569564), (140, 284782), (280, 142391)]