25164460

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1009}}^1$

素因数の和:1090

約数の個数: 48

約数和(自身を含む): 55994400

約数和(自身を除く): 30829940

約数列:

[1, 2, 4, 5, 10, 20, 29, 43, 58, 86, 116, 145, 172, 215, 290, 430, 580, 860, 1009, 1247, 2018, 2494, 4036, 4988, 5045, 6235, 10090, 12470, 20180, 24940, 29261, 43387, 58522, 86774, 117044, 146305, 173548, 216935, 292610, 433870, 585220, 867740, 1258223, 2516446, 5032892, 6291115, 12582230, 25164460]

約数ペア:

[(1, 25164460), (2, 12582230), (4, 6291115), (5, 5032892), (10, 2516446), (20, 1258223), (29, 867740), (43, 585220), (58, 433870), (86, 292610), (116, 216935), (145, 173548), (172, 146305), (215, 117044), (290, 86774), (430, 58522), (580, 43387), (860, 29261), (1009, 24940), (1247, 20180), (2018, 12470), (2494, 10090), (4036, 6235), (4988, 5045)]