54771920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2081}}^1$

素因数の和:2148

約数の個数: 80

約数和(自身を含む): 148704768

約数和(自身を除く): 93932848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 56, 70, 80, 94, 112, 140, 188, 235, 280, 329, 376, 470, 560, 658, 752, 940, 1316, 1645, 1880, 2081, 2632, 3290, 3760, 4162, 5264, 6580, 8324, 10405, 13160, 14567, 16648, 20810, 26320, 29134, 33296, 41620, 58268, 72835, 83240, 97807, 116536, 145670, 166480, 195614, 233072, 291340, 391228, 489035, 582680, 684649, 782456, 978070, 1165360, 1369298, 1564912, 1956140, 2738596, 3423245, 3912280, 5477192, 6846490, 7824560, 10954384, 13692980, 27385960, 54771920]

約数ペア:

[(1, 54771920), (2, 27385960), (4, 13692980), (5, 10954384), (7, 7824560), (8, 6846490), (10, 5477192), (14, 3912280), (16, 3423245), (20, 2738596), (28, 1956140), (35, 1564912), (40, 1369298), (47, 1165360), (56, 978070), (70, 782456), (80, 684649), (94, 582680), (112, 489035), (140, 391228), (188, 291340), (235, 233072), (280, 195614), (329, 166480), (376, 145670), (470, 116536), (560, 97807), (658, 83240), (752, 72835), (940, 58268), (1316, 41620), (1645, 33296), (1880, 29134), (2081, 26320), (2632, 20810), (3290, 16648), (3760, 14567), (4162, 13160), (5264, 10405), (6580, 8324)]