4331660

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1987}}^1$

素因数の和:2105

約数の個数: 24

約数和(自身を含む): 9184560

約数和(自身を除く): 4852900

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 1987, 2180, 3974, 7948, 9935, 19870, 39740, 216583, 433166, 866332, 1082915, 2165830, 4331660]

約数ペア:

[(1, 4331660), (2, 2165830), (4, 1082915), (5, 866332), (10, 433166), (20, 216583), (109, 39740), (218, 19870), (436, 9935), (545, 7948), (1090, 3974), (1987, 2180)]