16189640

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1783}}^1$

素因数の和:2021

約数の個数: 32

約数和(自身を含む): 36607680

約数和(自身を除く): 20418040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 908, 1135, 1783, 1816, 2270, 3566, 4540, 7132, 8915, 9080, 14264, 17830, 35660, 71320, 404741, 809482, 1618964, 2023705, 3237928, 4047410, 8094820, 16189640]

約数ペア:

[(1, 16189640), (2, 8094820), (4, 4047410), (5, 3237928), (8, 2023705), (10, 1618964), (20, 809482), (40, 404741), (227, 71320), (454, 35660), (908, 17830), (1135, 14264), (1783, 9080), (1816, 8915), (2270, 7132), (3566, 4540)]