79775129380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{327511}}^1$

素因数の和:328180

約数の個数: 48

約数和(自身を含む): 176620671360

約数和(自身を除く): 96845541980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 641, 1282, 2564, 3205, 6410, 12179, 12820, 24358, 48716, 60895, 121790, 243580, 327511, 655022, 1310044, 1637555, 3275110, 6222709, 6550220, 12445418, 24890836, 31113545, 62227090, 124454180, 209934551, 419869102, 839738204, 1049672755, 2099345510, 3988756469, 4198691020, 7977512938, 15955025876, 19943782345, 39887564690, 79775129380]

約数ペア:

[(1, 79775129380), (2, 39887564690), (4, 19943782345), (5, 15955025876), (10, 7977512938), (19, 4198691020), (20, 3988756469), (38, 2099345510), (76, 1049672755), (95, 839738204), (190, 419869102), (380, 209934551), (641, 124454180), (1282, 62227090), (2564, 31113545), (3205, 24890836), (6410, 12445418), (12179, 6550220), (12820, 6222709), (24358, 3275110), (48716, 1637555), (60895, 1310044), (121790, 655022), (243580, 327511)]