27995180

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{13859}}^1$

素因数の和:13969

約数の個数: 24

約数和(自身を含む): 59376240

約数和(自身を除く): 31381060

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 13859, 27718, 55436, 69295, 138590, 277180, 1399759, 2799518, 5599036, 6998795, 13997590, 27995180]

約数ペア:

[(1, 27995180), (2, 13997590), (4, 6998795), (5, 5599036), (10, 2799518), (20, 1399759), (101, 277180), (202, 138590), (404, 69295), (505, 55436), (1010, 27718), (2020, 13859)]