29278960

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2633}}^1$

素因数の和:2785

約数の個数: 40

約数和(自身を含む): 68589360

約数和(自身を除く): 39310400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2633, 2780, 5266, 5560, 10532, 11120, 13165, 21064, 26330, 42128, 52660, 105320, 210640, 365987, 731974, 1463948, 1829935, 2927896, 3659870, 5855792, 7319740, 14639480, 29278960]

約数ペア:

[(1, 29278960), (2, 14639480), (4, 7319740), (5, 5855792), (8, 3659870), (10, 2927896), (16, 1829935), (20, 1463948), (40, 731974), (80, 365987), (139, 210640), (278, 105320), (556, 52660), (695, 42128), (1112, 26330), (1390, 21064), (2224, 13165), (2633, 11120), (2780, 10532), (5266, 5560)]