51663520

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:278

約数の個数: 96

約数和(自身を含む): 129548160

約数和(自身を除く): 77884640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 101, 115, 139, 160, 184, 202, 230, 278, 368, 404, 460, 505, 556, 695, 736, 808, 920, 1010, 1112, 1390, 1616, 1840, 2020, 2224, 2323, 2780, 3197, 3232, 3680, 4040, 4448, 4646, 5560, 6394, 8080, 9292, 11120, 11615, 12788, 14039, 15985, 16160, 18584, 22240, 23230, 25576, 28078, 31970, 37168, 46460, 51152, 56156, 63940, 70195, 74336, 92920, 102304, 112312, 127880, 140390, 185840, 224624, 255760, 280780, 322897, 371680, 449248, 511520, 561560, 645794, 1123120, 1291588, 1614485, 2246240, 2583176, 3228970, 5166352, 6457940, 10332704, 12915880, 25831760, 51663520]

約数ペア:

[(1, 51663520), (2, 25831760), (4, 12915880), (5, 10332704), (8, 6457940), (10, 5166352), (16, 3228970), (20, 2583176), (23, 2246240), (32, 1614485), (40, 1291588), (46, 1123120), (80, 645794), (92, 561560), (101, 511520), (115, 449248), (139, 371680), (160, 322897), (184, 280780), (202, 255760), (230, 224624), (278, 185840), (368, 140390), (404, 127880), (460, 112312), (505, 102304), (556, 92920), (695, 74336), (736, 70195), (808, 63940), (920, 56156), (1010, 51152), (1112, 46460), (1390, 37168), (1616, 31970), (1840, 28078), (2020, 25576), (2224, 23230), (2323, 22240), (2780, 18584), (3197, 16160), (3232, 15985), (3680, 14039), (4040, 12788), (4448, 11615), (4646, 11120), (5560, 9292), (6394, 8080)]