2110665680

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{2693}}^1$

素因数の和:2904

約数の個数: 80

約数和(自身を含む): 5008835664

約数和(自身を除く): 2898169984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 101, 194, 202, 388, 404, 485, 505, 776, 808, 970, 1010, 1552, 1616, 1940, 2020, 2693, 3880, 4040, 5386, 7760, 8080, 9797, 10772, 13465, 19594, 21544, 26930, 39188, 43088, 48985, 53860, 78376, 97970, 107720, 156752, 195940, 215440, 261221, 271993, 391880, 522442, 543986, 783760, 1044884, 1087972, 1306105, 1359965, 2089768, 2175944, 2612210, 2719930, 4179536, 4351888, 5224420, 5439860, 10448840, 10879720, 20897680, 21759440, 26383321, 52766642, 105533284, 131916605, 211066568, 263833210, 422133136, 527666420, 1055332840, 2110665680]

約数ペア:

[(1, 2110665680), (2, 1055332840), (4, 527666420), (5, 422133136), (8, 263833210), (10, 211066568), (16, 131916605), (20, 105533284), (40, 52766642), (80, 26383321), (97, 21759440), (101, 20897680), (194, 10879720), (202, 10448840), (388, 5439860), (404, 5224420), (485, 4351888), (505, 4179536), (776, 2719930), (808, 2612210), (970, 2175944), (1010, 2089768), (1552, 1359965), (1616, 1306105), (1940, 1087972), (2020, 1044884), (2693, 783760), (3880, 543986), (4040, 522442), (5386, 391880), (7760, 271993), (8080, 261221), (9797, 215440), (10772, 195940), (13465, 156752), (19594, 107720), (21544, 97970), (26930, 78376), (39188, 53860), (43088, 48985)]