161168680

素因数分解:

$2^3\times 5^1\times {\mathrm{4029217}}^1$

素因数の和:4029228

約数の個数: 16

約数和(自身を含む): 362629620

約数和(自身を除く): 201460940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4029217, 8058434, 16116868, 20146085, 32233736, 40292170, 80584340, 161168680]

約数ペア:

[(1, 161168680), (2, 80584340), (4, 40292170), (5, 32233736), (8, 20146085), (10, 16116868), (20, 8058434), (40, 4029217)]