2166260

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1217}}^1$

素因数の和:1315

約数の個数: 24

約数和(自身を含む): 4604040

約数和(自身を除く): 2437780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1217, 1780, 2434, 4868, 6085, 12170, 24340, 108313, 216626, 433252, 541565, 1083130, 2166260]

約数ペア:

[(1, 2166260), (2, 1083130), (4, 541565), (5, 433252), (10, 216626), (20, 108313), (89, 24340), (178, 12170), (356, 6085), (445, 4868), (890, 2434), (1217, 1780)]