418060840

素因数分解:

$2^3\times 5^1\times {\mathrm{887}}^1\times {\mathrm{11783}}^1$

素因数の和:12681

約数の個数: 32

約数和(自身を含む): 941777280

約数和(自身を除く): 523716440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 887, 1774, 3548, 4435, 7096, 8870, 11783, 17740, 23566, 35480, 47132, 58915, 94264, 117830, 235660, 471320, 10451521, 20903042, 41806084, 52257605, 83612168, 104515210, 209030420, 418060840]

約数ペア:

[(1, 418060840), (2, 209030420), (4, 104515210), (5, 83612168), (8, 52257605), (10, 41806084), (20, 20903042), (40, 10451521), (887, 471320), (1774, 235660), (3548, 117830), (4435, 94264), (7096, 58915), (8870, 47132), (11783, 35480), (17740, 23566)]