2044240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:148

約数の個数: 80

約数和(自身を含む): 5463936

約数和(自身を除く): 3419696

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 101, 110, 115, 176, 184, 202, 220, 230, 253, 368, 404, 440, 460, 505, 506, 808, 880, 920, 1010, 1012, 1111, 1265, 1616, 1840, 2020, 2024, 2222, 2323, 2530, 4040, 4048, 4444, 4646, 5060, 5555, 8080, 8888, 9292, 10120, 11110, 11615, 17776, 18584, 20240, 22220, 23230, 25553, 37168, 44440, 46460, 51106, 88880, 92920, 102212, 127765, 185840, 204424, 255530, 408848, 511060, 1022120, 2044240]

約数ペア:

[(1, 2044240), (2, 1022120), (4, 511060), (5, 408848), (8, 255530), (10, 204424), (11, 185840), (16, 127765), (20, 102212), (22, 92920), (23, 88880), (40, 51106), (44, 46460), (46, 44440), (55, 37168), (80, 25553), (88, 23230), (92, 22220), (101, 20240), (110, 18584), (115, 17776), (176, 11615), (184, 11110), (202, 10120), (220, 9292), (230, 8888), (253, 8080), (368, 5555), (404, 5060), (440, 4646), (460, 4444), (505, 4048), (506, 4040), (808, 2530), (880, 2323), (920, 2222), (1010, 2024), (1012, 2020), (1111, 1840), (1265, 1616)]