68751640

素因数分解:

$2^3\times 5^1\times {\mathrm{1718791}}^1$

素因数の和:1718802

約数の個数: 16

約数和(自身を含む): 154691280

約数和(自身を除く): 85939640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1718791, 3437582, 6875164, 8593955, 13750328, 17187910, 34375820, 68751640]

約数ペア:

[(1, 68751640), (2, 34375820), (4, 17187910), (5, 13750328), (8, 8593955), (10, 6875164), (20, 3437582), (40, 1718791)]