80207480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48907}}^1$

素因数の和:48959

約数の個数: 32

約数和(自身を含む): 184872240

約数和(自身を除く): 104664760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 48907, 97814, 195628, 244535, 391256, 489070, 978140, 1956280, 2005187, 4010374, 8020748, 10025935, 16041496, 20051870, 40103740, 80207480]

約数ペア:

[(1, 80207480), (2, 40103740), (4, 20051870), (5, 16041496), (8, 10025935), (10, 8020748), (20, 4010374), (40, 2005187), (41, 1956280), (82, 978140), (164, 489070), (205, 391256), (328, 244535), (410, 195628), (820, 97814), (1640, 48907)]