25428940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2579}}^1$

素因数の和:2634

約数の個数: 48

約数和(自身を含む): 58514400

約数和(自身を除く): 33085460

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 116, 145, 170, 290, 340, 493, 580, 986, 1972, 2465, 2579, 4930, 5158, 9860, 10316, 12895, 25790, 43843, 51580, 74791, 87686, 149582, 175372, 219215, 299164, 373955, 438430, 747910, 876860, 1271447, 1495820, 2542894, 5085788, 6357235, 12714470, 25428940]

約数ペア:

[(1, 25428940), (2, 12714470), (4, 6357235), (5, 5085788), (10, 2542894), (17, 1495820), (20, 1271447), (29, 876860), (34, 747910), (58, 438430), (68, 373955), (85, 299164), (116, 219215), (145, 175372), (170, 149582), (290, 87686), (340, 74791), (493, 51580), (580, 43843), (986, 25790), (1972, 12895), (2465, 10316), (2579, 9860), (4930, 5158)]