26880140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1901}}^1$

素因数の和:2018

約数の個数: 48

約数和(自身を含む): 65185344

約数和(自身を除く): 38305204

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 1901, 2020, 2828, 3535, 3802, 7070, 7604, 9505, 13307, 14140, 19010, 26614, 38020, 53228, 66535, 133070, 192001, 266140, 384002, 768004, 960005, 1344007, 1920010, 2688014, 3840020, 5376028, 6720035, 13440070, 26880140]

約数ペア:

[(1, 26880140), (2, 13440070), (4, 6720035), (5, 5376028), (7, 3840020), (10, 2688014), (14, 1920010), (20, 1344007), (28, 960005), (35, 768004), (70, 384002), (101, 266140), (140, 192001), (202, 133070), (404, 66535), (505, 53228), (707, 38020), (1010, 26614), (1414, 19010), (1901, 14140), (2020, 13307), (2828, 9505), (3535, 7604), (3802, 7070)]