81715060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{5779}}^1$

素因数の和:5896

約数の個数: 48

約数和(自身を含む): 198092160

約数和(自身を除く): 116377100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 5779, 7070, 11558, 14140, 23116, 28895, 40453, 57790, 80906, 115580, 161812, 202265, 404530, 583679, 809060, 1167358, 2334716, 2918395, 4085753, 5836790, 8171506, 11673580, 16343012, 20428765, 40857530, 81715060]

約数ペア:

[(1, 81715060), (2, 40857530), (4, 20428765), (5, 16343012), (7, 11673580), (10, 8171506), (14, 5836790), (20, 4085753), (28, 2918395), (35, 2334716), (70, 1167358), (101, 809060), (140, 583679), (202, 404530), (404, 202265), (505, 161812), (707, 115580), (1010, 80906), (1414, 57790), (2020, 40453), (2828, 28895), (3535, 23116), (5779, 14140), (7070, 11558)]