22718140

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{12763}}^1$

素因数の和:12861

約数の個数: 24

約数和(自身を含む): 48247920

約数和(自身を除く): 25529780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 12763, 25526, 51052, 63815, 127630, 255260, 1135907, 2271814, 4543628, 5679535, 11359070, 22718140]

約数ペア:

[(1, 22718140), (2, 11359070), (4, 5679535), (5, 4543628), (10, 2271814), (20, 1135907), (89, 255260), (178, 127630), (356, 63815), (445, 51052), (890, 25526), (1780, 12763)]