7874320

素因数分解:

$2^4\times 5^1\times {\mathrm{98429}}^1$

素因数の和:98442

約数の個数: 20

約数和(自身を含む): 18307980

約数和(自身を除く): 10433660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 98429, 196858, 393716, 492145, 787432, 984290, 1574864, 1968580, 3937160, 7874320]

約数ペア:

[(1, 7874320), (2, 3937160), (4, 1968580), (5, 1574864), (8, 984290), (10, 787432), (16, 492145), (20, 393716), (40, 196858), (80, 98429)]