3992980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4643}}^1$

素因数の和:4695

約数の個数: 24

約数和(自身を含む): 8582112

約数和(自身を除く): 4589132

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 4643, 9286, 18572, 23215, 46430, 92860, 199649, 399298, 798596, 998245, 1996490, 3992980]

約数ペア:

[(1, 3992980), (2, 1996490), (4, 998245), (5, 798596), (10, 399298), (20, 199649), (43, 92860), (86, 46430), (172, 23215), (215, 18572), (430, 9286), (860, 4643)]