55053140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{161921}}^1$

素因数の和:161947

約数の個数: 24

約数和(自身を含む): 122413032

約数和(自身を除く): 67359892

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 161921, 323842, 647684, 809605, 1619210, 2752657, 3238420, 5505314, 11010628, 13763285, 27526570, 55053140]

約数ペア:

[(1, 55053140), (2, 27526570), (4, 13763285), (5, 11010628), (10, 5505314), (17, 3238420), (20, 2752657), (34, 1619210), (68, 809605), (85, 647684), (170, 323842), (340, 161921)]