66800680

素因数分解:

$2^3\times 5^1\times {\mathrm{1670017}}^1$

素因数の和:1670028

約数の個数: 16

約数和(自身を含む): 150301620

約数和(自身を除く): 83500940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1670017, 3340034, 6680068, 8350085, 13360136, 16700170, 33400340, 66800680]

約数ペア:

[(1, 66800680), (2, 33400340), (4, 16700170), (5, 13360136), (8, 8350085), (10, 6680068), (20, 3340034), (40, 1670017)]