80875172

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{541}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 171185280

約数和(自身を除く): 90310108

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 281, 532, 541, 562, 1082, 1124, 1967, 2164, 3787, 3934, 5339, 7574, 7868, 10279, 10678, 15148, 20558, 21356, 37373, 41116, 71953, 74746, 143906, 149492, 152021, 287812, 304042, 608084, 1064147, 2128294, 2888399, 4256588, 5776798, 11553596, 20218793, 40437586, 80875172]

約数ペア:

[(1, 80875172), (2, 40437586), (4, 20218793), (7, 11553596), (14, 5776798), (19, 4256588), (28, 2888399), (38, 2128294), (76, 1064147), (133, 608084), (266, 304042), (281, 287812), (532, 152021), (541, 149492), (562, 143906), (1082, 74746), (1124, 71953), (1967, 41116), (2164, 37373), (3787, 21356), (3934, 20558), (5339, 15148), (7574, 10678), (7868, 10279)]