16409980

素因数分解:

$2^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{2351}}^1$

素因数の和:2709

約数の個数: 24

約数和(自身を含む): 34574400

約数和(自身を除く): 18164420

約数列:

[1, 2, 4, 5, 10, 20, 349, 698, 1396, 1745, 2351, 3490, 4702, 6980, 9404, 11755, 23510, 47020, 820499, 1640998, 3281996, 4102495, 8204990, 16409980]

約数ペア:

[(1, 16409980), (2, 8204990), (4, 4102495), (5, 3281996), (10, 1640998), (20, 820499), (349, 47020), (698, 23510), (1396, 11755), (1745, 9404), (2351, 6980), (3490, 4702)]