26946980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 58544640

約数和(自身を除く): 31597660

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 109, 188, 218, 235, 263, 436, 470, 526, 545, 940, 1052, 1090, 1315, 2180, 2630, 5123, 5260, 10246, 12361, 20492, 24722, 25615, 28667, 49444, 51230, 57334, 61805, 102460, 114668, 123610, 143335, 247220, 286670, 573340, 1347349, 2694698, 5389396, 6736745, 13473490, 26946980]

約数ペア:

[(1, 26946980), (2, 13473490), (4, 6736745), (5, 5389396), (10, 2694698), (20, 1347349), (47, 573340), (94, 286670), (109, 247220), (188, 143335), (218, 123610), (235, 114668), (263, 102460), (436, 61805), (470, 57334), (526, 51230), (545, 49444), (940, 28667), (1052, 25615), (1090, 24722), (1315, 20492), (2180, 12361), (2630, 10246), (5123, 5260)]