66628940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{475921}}^1$

素因数の和:475937

約数の個数: 24

約数和(自身を含む): 159909792

約数和(自身を除く): 93280852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 475921, 951842, 1903684, 2379605, 3331447, 4759210, 6662894, 9518420, 13325788, 16657235, 33314470, 66628940]

約数ペア:

[(1, 66628940), (2, 33314470), (4, 16657235), (5, 13325788), (7, 9518420), (10, 6662894), (14, 4759210), (20, 3331447), (28, 2379605), (35, 1903684), (70, 951842), (140, 475921)]