2080480012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{20849}}^1$

素因数の和:20986

約数の個数: 48

約数和(自身を含む): 4168332000

約数和(自身を除く): 2087851988

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 101, 202, 247, 404, 494, 988, 1313, 1919, 2626, 3838, 5252, 7676, 20849, 24947, 41698, 49894, 83396, 99788, 271037, 396131, 542074, 792262, 1084148, 1584524, 2105749, 4211498, 5149703, 8422996, 10299406, 20598812, 27374737, 40009231, 54749474, 80018462, 109498948, 160036924, 520120003, 1040240006, 2080480012]

約数ペア:

[(1, 2080480012), (2, 1040240006), (4, 520120003), (13, 160036924), (19, 109498948), (26, 80018462), (38, 54749474), (52, 40009231), (76, 27374737), (101, 20598812), (202, 10299406), (247, 8422996), (404, 5149703), (494, 4211498), (988, 2105749), (1313, 1584524), (1919, 1084148), (2626, 792262), (3838, 542074), (5252, 396131), (7676, 271037), (20849, 99788), (24947, 83396), (41698, 49894)]