28481060

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{739}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 62657280

約数和(自身を除く): 34176220

約数列:

[1, 2, 4, 5, 10, 20, 41, 47, 82, 94, 164, 188, 205, 235, 410, 470, 739, 820, 940, 1478, 1927, 2956, 3695, 3854, 7390, 7708, 9635, 14780, 19270, 30299, 34733, 38540, 60598, 69466, 121196, 138932, 151495, 173665, 302990, 347330, 605980, 694660, 1424053, 2848106, 5696212, 7120265, 14240530, 28481060]

約数ペア:

[(1, 28481060), (2, 14240530), (4, 7120265), (5, 5696212), (10, 2848106), (20, 1424053), (41, 694660), (47, 605980), (82, 347330), (94, 302990), (164, 173665), (188, 151495), (205, 138932), (235, 121196), (410, 69466), (470, 60598), (739, 38540), (820, 34733), (940, 30299), (1478, 19270), (1927, 14780), (2956, 9635), (3695, 7708), (3854, 7390)]