7872460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20717}}^1$

素因数の和:20745

約数の個数: 24

約数和(自身を含む): 17403120

約数和(自身を除く): 9530660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 20717, 41434, 82868, 103585, 207170, 393623, 414340, 787246, 1574492, 1968115, 3936230, 7872460]

約数ペア:

[(1, 7872460), (2, 3936230), (4, 1968115), (5, 1574492), (10, 787246), (19, 414340), (20, 393623), (38, 207170), (76, 103585), (95, 82868), (190, 41434), (380, 20717)]