421280

素因数分解:

$2^5\times 5^1\times {\mathrm{2633}}^1$

素因数の和:2648

約数の個数: 24

約数和(自身を含む): 995652

約数和(自身を除く): 574372

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2633, 5266, 10532, 13165, 21064, 26330, 42128, 52660, 84256, 105320, 210640, 421280]

約数ペア:

[(1, 421280), (2, 210640), (4, 105320), (5, 84256), (8, 52660), (10, 42128), (16, 26330), (20, 21064), (32, 13165), (40, 10532), (80, 5266), (160, 2633)]