25831760

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 63745920

約数和(自身を除く): 37914160

約数列:

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

約数ペア:

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