25171480

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2633}}^1$

素因数の和:2883

約数の個数: 32

約数和(自身を含む): 56894400

約数和(自身を除く): 31722920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 2633, 4780, 5266, 9560, 10532, 13165, 21064, 26330, 52660, 105320, 629287, 1258574, 2517148, 3146435, 5034296, 6292870, 12585740, 25171480]

約数ペア:

[(1, 25171480), (2, 12585740), (4, 6292870), (5, 5034296), (8, 3146435), (10, 2517148), (20, 1258574), (40, 629287), (239, 105320), (478, 52660), (956, 26330), (1195, 21064), (1912, 13165), (2390, 10532), (2633, 9560), (4780, 5266)]