89648540

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{34217}}^1$

素因数の和:34357

約数の個数: 24

約数和(自身を含む): 189704592

約数和(自身を除く): 100056052

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 34217, 68434, 136868, 171085, 342170, 684340, 4482427, 8964854, 17929708, 22412135, 44824270, 89648540]

約数ペア:

[(1, 89648540), (2, 44824270), (4, 22412135), (5, 17929708), (10, 8964854), (20, 4482427), (131, 684340), (262, 342170), (524, 171085), (655, 136868), (1310, 68434), (2620, 34217)]