40765540

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{4643}}^1$

素因数の和:5091

約数の個数: 24

約数和(自身を含む): 85821120

約数和(自身を除く): 45055580

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 4390, 4643, 8780, 9286, 18572, 23215, 46430, 92860, 2038277, 4076554, 8153108, 10191385, 20382770, 40765540]

約数ペア:

[(1, 40765540), (2, 20382770), (4, 10191385), (5, 8153108), (10, 4076554), (20, 2038277), (439, 92860), (878, 46430), (1756, 23215), (2195, 18572), (4390, 9286), (4643, 8780)]