4030820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{109}}^1$

素因数の和:204

約数の個数: 36

約数和(自身を含む): 8745660

約数和(自身を除く): 4714840

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 109, 172, 215, 218, 430, 436, 545, 860, 1090, 1849, 2180, 3698, 4687, 7396, 9245, 9374, 18490, 18748, 23435, 36980, 46870, 93740, 201541, 403082, 806164, 1007705, 2015410, 4030820]

約数ペア:

[(1, 4030820), (2, 2015410), (4, 1007705), (5, 806164), (10, 403082), (20, 201541), (43, 93740), (86, 46870), (109, 36980), (172, 23435), (215, 18748), (218, 18490), (430, 9374), (436, 9245), (545, 7396), (860, 4687), (1090, 3698), (1849, 2180)]