28225760

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{2633}}^1$

素因数の和:2715

約数の個数: 48

約数和(自身を含む): 67704336

約数和(自身を除く): 39478576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 536, 670, 1072, 1340, 2144, 2633, 2680, 5266, 5360, 10532, 10720, 13165, 21064, 26330, 42128, 52660, 84256, 105320, 176411, 210640, 352822, 421280, 705644, 882055, 1411288, 1764110, 2822576, 3528220, 5645152, 7056440, 14112880, 28225760]

約数ペア:

[(1, 28225760), (2, 14112880), (4, 7056440), (5, 5645152), (8, 3528220), (10, 2822576), (16, 1764110), (20, 1411288), (32, 882055), (40, 705644), (67, 421280), (80, 352822), (134, 210640), (160, 176411), (268, 105320), (335, 84256), (536, 52660), (670, 42128), (1072, 26330), (1340, 21064), (2144, 13165), (2633, 10720), (2680, 10532), (5266, 5360)]