4012660

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{641}}^1$

素因数の和:963

約数の個数: 24

約数和(自身を含む): 8466696

約数和(自身を除く): 4454036

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 641, 1252, 1282, 1565, 2564, 3130, 3205, 6260, 6410, 12820, 200633, 401266, 802532, 1003165, 2006330, 4012660]

約数ペア:

[(1, 4012660), (2, 2006330), (4, 1003165), (5, 802532), (10, 401266), (20, 200633), (313, 12820), (626, 6410), (641, 6260), (1252, 3205), (1282, 3130), (1565, 2564)]