51035980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{571}}^1$

素因数の和:730

約数の個数: 48

約数和(自身を含む): 110990880

約数和(自身を除く): 59954900

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 109, 164, 205, 218, 410, 436, 545, 571, 820, 1090, 1142, 2180, 2284, 2855, 4469, 5710, 8938, 11420, 17876, 22345, 23411, 44690, 46822, 62239, 89380, 93644, 117055, 124478, 234110, 248956, 311195, 468220, 622390, 1244780, 2551799, 5103598, 10207196, 12758995, 25517990, 51035980]

約数ペア:

[(1, 51035980), (2, 25517990), (4, 12758995), (5, 10207196), (10, 5103598), (20, 2551799), (41, 1244780), (82, 622390), (109, 468220), (164, 311195), (205, 248956), (218, 234110), (410, 124478), (436, 117055), (545, 93644), (571, 89380), (820, 62239), (1090, 46822), (1142, 44690), (2180, 23411), (2284, 22345), (2855, 17876), (4469, 11420), (5710, 8938)]