25886990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{613}}^1$

素因数の和:764

約数の個数: 32

約数和(自身を含む): 48275136

約数和(自身を除く): 22388146

約数列:

[1, 2, 5, 10, 41, 82, 103, 205, 206, 410, 515, 613, 1030, 1226, 3065, 4223, 6130, 8446, 21115, 25133, 42230, 50266, 63139, 125665, 126278, 251330, 315695, 631390, 2588699, 5177398, 12943495, 25886990]

約数ペア:

[(1, 25886990), (2, 12943495), (5, 5177398), (10, 2588699), (41, 631390), (82, 315695), (103, 251330), (205, 126278), (206, 125665), (410, 63139), (515, 50266), (613, 42230), (1030, 25133), (1226, 21115), (3065, 8446), (4223, 6130)]