28263760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1231}}^1$

素因数の和:1292

約数の個数: 80

約数和(自身を含む): 76995072

約数和(自身を除く): 48731312

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 1148, 1231, 1435, 1640, 2296, 2462, 2870, 3280, 4592, 4924, 5740, 6155, 8617, 9848, 11480, 12310, 17234, 19696, 22960, 24620, 34468, 43085, 49240, 50471, 68936, 86170, 98480, 100942, 137872, 172340, 201884, 252355, 344680, 353297, 403768, 504710, 689360, 706594, 807536, 1009420, 1413188, 1766485, 2018840, 2826376, 3532970, 4037680, 5652752, 7065940, 14131880, 28263760]

約数ペア:

[(1, 28263760), (2, 14131880), (4, 7065940), (5, 5652752), (7, 4037680), (8, 3532970), (10, 2826376), (14, 2018840), (16, 1766485), (20, 1413188), (28, 1009420), (35, 807536), (40, 706594), (41, 689360), (56, 504710), (70, 403768), (80, 353297), (82, 344680), (112, 252355), (140, 201884), (164, 172340), (205, 137872), (280, 100942), (287, 98480), (328, 86170), (410, 68936), (560, 50471), (574, 49240), (656, 43085), (820, 34468), (1148, 24620), (1231, 22960), (1435, 19696), (1640, 17234), (2296, 12310), (2462, 11480), (2870, 9848), (3280, 8617), (4592, 6155), (4924, 5740)]