38307280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:556

約数の個数: 80

約数和(自身を含む): 98350848

約数和(自身を除く): 60043568

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 101, 110, 176, 202, 220, 404, 431, 440, 505, 808, 862, 880, 1010, 1111, 1616, 1724, 2020, 2155, 2222, 3448, 4040, 4310, 4444, 4741, 5555, 6896, 8080, 8620, 8888, 9482, 11110, 17240, 17776, 18964, 22220, 23705, 34480, 37928, 43531, 44440, 47410, 75856, 87062, 88880, 94820, 174124, 189640, 217655, 348248, 379280, 435310, 478841, 696496, 870620, 957682, 1741240, 1915364, 2394205, 3482480, 3830728, 4788410, 7661456, 9576820, 19153640, 38307280]

約数ペア:

[(1, 38307280), (2, 19153640), (4, 9576820), (5, 7661456), (8, 4788410), (10, 3830728), (11, 3482480), (16, 2394205), (20, 1915364), (22, 1741240), (40, 957682), (44, 870620), (55, 696496), (80, 478841), (88, 435310), (101, 379280), (110, 348248), (176, 217655), (202, 189640), (220, 174124), (404, 94820), (431, 88880), (440, 87062), (505, 75856), (808, 47410), (862, 44440), (880, 43531), (1010, 37928), (1111, 34480), (1616, 23705), (1724, 22220), (2020, 18964), (2155, 17776), (2222, 17240), (3448, 11110), (4040, 9482), (4310, 8888), (4444, 8620), (4741, 8080), (5555, 6896)]