68239720

素因数分解:

$2^3\times 5^1\times {\mathrm{443}}^1\times {\mathrm{3851}}^1$

素因数の和:4305

約数の個数: 32

約数和(自身を含む): 153925920

約数和(自身を除く): 85686200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 443, 886, 1772, 2215, 3544, 3851, 4430, 7702, 8860, 15404, 17720, 19255, 30808, 38510, 77020, 154040, 1705993, 3411986, 6823972, 8529965, 13647944, 17059930, 34119860, 68239720]

約数ペア:

[(1, 68239720), (2, 34119860), (4, 17059930), (5, 13647944), (8, 8529965), (10, 6823972), (20, 3411986), (40, 1705993), (443, 154040), (886, 77020), (1772, 38510), (2215, 30808), (3544, 19255), (3851, 17720), (4430, 15404), (7702, 8860)]