22108640

素因数分解:

$2^5\times 5^1\times {\mathrm{138179}}^1$

素因数の和:138194

約数の個数: 24

約数和(自身を含む): 52232040

約数和(自身を除く): 30123400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 138179, 276358, 552716, 690895, 1105432, 1381790, 2210864, 2763580, 4421728, 5527160, 11054320, 22108640]

約数ペア:

[(1, 22108640), (2, 11054320), (4, 5527160), (5, 4421728), (8, 2763580), (10, 2210864), (16, 1381790), (20, 1105432), (32, 690895), (40, 552716), (80, 276358), (160, 138179)]