1279887740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{401}}^1\times {\mathrm{5503}}^1$

素因数の和:5942

約数の個数: 48

約数和(自身を含む): 2787886080

約数和(自身を除く): 1507998340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 401, 580, 802, 1604, 2005, 4010, 5503, 8020, 11006, 11629, 22012, 23258, 27515, 46516, 55030, 58145, 110060, 116290, 159587, 232580, 319174, 638348, 797935, 1595870, 2206703, 3191740, 4413406, 8826812, 11033515, 22067030, 44134060, 63994387, 127988774, 255977548, 319971935, 639943870, 1279887740]

約数ペア:

[(1, 1279887740), (2, 639943870), (4, 319971935), (5, 255977548), (10, 127988774), (20, 63994387), (29, 44134060), (58, 22067030), (116, 11033515), (145, 8826812), (290, 4413406), (401, 3191740), (580, 2206703), (802, 1595870), (1604, 797935), (2005, 638348), (4010, 319174), (5503, 232580), (8020, 159587), (11006, 116290), (11629, 110060), (22012, 58145), (23258, 55030), (27515, 46516)]