2016520880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{38839}}^1$

素因数の和:38922

約数の個数: 80

約数和(自身を含む): 5201452800

約数和(自身を除く): 3184931920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 59, 80, 88, 110, 118, 176, 220, 236, 295, 440, 472, 590, 649, 880, 944, 1180, 1298, 2360, 2596, 3245, 4720, 5192, 6490, 10384, 12980, 25960, 38839, 51920, 77678, 155356, 194195, 310712, 388390, 427229, 621424, 776780, 854458, 1553560, 1708916, 2136145, 2291501, 3107120, 3417832, 4272290, 4583002, 6835664, 8544580, 9166004, 11457505, 17089160, 18332008, 22915010, 25206511, 34178320, 36664016, 45830020, 50413022, 91660040, 100826044, 126032555, 183320080, 201652088, 252065110, 403304176, 504130220, 1008260440, 2016520880]

約数ペア:

[(1, 2016520880), (2, 1008260440), (4, 504130220), (5, 403304176), (8, 252065110), (10, 201652088), (11, 183320080), (16, 126032555), (20, 100826044), (22, 91660040), (40, 50413022), (44, 45830020), (55, 36664016), (59, 34178320), (80, 25206511), (88, 22915010), (110, 18332008), (118, 17089160), (176, 11457505), (220, 9166004), (236, 8544580), (295, 6835664), (440, 4583002), (472, 4272290), (590, 3417832), (649, 3107120), (880, 2291501), (944, 2136145), (1180, 1708916), (1298, 1553560), (2360, 854458), (2596, 776780), (3245, 621424), (4720, 427229), (5192, 388390), (6490, 310712), (10384, 194195), (12980, 155356), (25960, 77678), (38839, 51920)]