54945220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1823}}^1$

素因数の和:1980

約数の個数: 48

約数和(自身を含む): 126862848

約数和(自身を除く): 71917628

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 137, 220, 274, 548, 685, 1370, 1507, 1823, 2740, 3014, 3646, 6028, 7292, 7535, 9115, 15070, 18230, 20053, 30140, 36460, 40106, 80212, 100265, 200530, 249751, 401060, 499502, 999004, 1248755, 2497510, 2747261, 4995020, 5494522, 10989044, 13736305, 27472610, 54945220]

約数ペア:

[(1, 54945220), (2, 27472610), (4, 13736305), (5, 10989044), (10, 5494522), (11, 4995020), (20, 2747261), (22, 2497510), (44, 1248755), (55, 999004), (110, 499502), (137, 401060), (220, 249751), (274, 200530), (548, 100265), (685, 80212), (1370, 40106), (1507, 36460), (1823, 30140), (2740, 20053), (3014, 18230), (3646, 15070), (6028, 9115), (7292, 7535)]