23242640

素因数分解:

$2^4\times 5^1\times {\mathrm{290533}}^1$

素因数の和:290546

約数の個数: 20

約数和(自身を含む): 54039324

約数和(自身を除く): 30796684

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 290533, 581066, 1162132, 1452665, 2324264, 2905330, 4648528, 5810660, 11621320, 23242640]

約数ペア:

[(1, 23242640), (2, 11621320), (4, 5810660), (5, 4648528), (8, 2905330), (10, 2324264), (16, 1452665), (20, 1162132), (40, 581066), (80, 290533)]