8000680

素因数分解:

$2^3\times 5^1\times {\mathrm{200017}}^1$

素因数の和:200028

約数の個数: 16

約数和(自身を含む): 18001620

約数和(自身を除く): 10000940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 200017, 400034, 800068, 1000085, 1600136, 2000170, 4000340, 8000680]

約数ペア:

[(1, 8000680), (2, 4000340), (4, 2000170), (5, 1600136), (8, 1000085), (10, 800068), (20, 400034), (40, 200017)]