3863980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4493}}^1$

素因数の和:4545

約数の個数: 24

約数和(自身を含む): 8304912

約数和(自身を除く): 4440932

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 4493, 8986, 17972, 22465, 44930, 89860, 193199, 386398, 772796, 965995, 1931990, 3863980]

約数ペア:

[(1, 3863980), (2, 1931990), (4, 965995), (5, 772796), (10, 386398), (20, 193199), (43, 89860), (86, 44930), (172, 22465), (215, 17972), (430, 8986), (860, 4493)]