80117140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{2939}}^1$

素因数の和:3024

約数の個数: 48

約数和(自身を含む): 177811200

約数和(自身を除く): 97694060

約数列:

[1, 2, 4, 5, 10, 20, 29, 47, 58, 94, 116, 145, 188, 235, 290, 470, 580, 940, 1363, 2726, 2939, 5452, 5878, 6815, 11756, 13630, 14695, 27260, 29390, 58780, 85231, 138133, 170462, 276266, 340924, 426155, 552532, 690665, 852310, 1381330, 1704620, 2762660, 4005857, 8011714, 16023428, 20029285, 40058570, 80117140]

約数ペア:

[(1, 80117140), (2, 40058570), (4, 20029285), (5, 16023428), (10, 8011714), (20, 4005857), (29, 2762660), (47, 1704620), (58, 1381330), (94, 852310), (116, 690665), (145, 552532), (188, 426155), (235, 340924), (290, 276266), (470, 170462), (580, 138133), (940, 85231), (1363, 58780), (2726, 29390), (2939, 27260), (5452, 14695), (5878, 13630), (6815, 11756)]