13452980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15643}}^1$

素因数の和:15695

約数の個数: 24

約数和(自身を含む): 28910112

約数和(自身を除く): 15457132

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 15643, 31286, 62572, 78215, 156430, 312860, 672649, 1345298, 2690596, 3363245, 6726490, 13452980]

約数ペア:

[(1, 13452980), (2, 6726490), (4, 3363245), (5, 2690596), (10, 1345298), (20, 672649), (43, 312860), (86, 156430), (172, 78215), (215, 62572), (430, 31286), (860, 15643)]