520909520

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{2803}}^1$

素因数の和:2940

約数の個数: 80

約数和(自身を含む): 1276739712

約数和(自身を除く): 755830192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 101, 115, 184, 202, 230, 368, 404, 460, 505, 808, 920, 1010, 1616, 1840, 2020, 2323, 2803, 4040, 4646, 5606, 8080, 9292, 11212, 11615, 14015, 18584, 22424, 23230, 28030, 37168, 44848, 46460, 56060, 64469, 92920, 112120, 128938, 185840, 224240, 257876, 283103, 322345, 515752, 566206, 644690, 1031504, 1132412, 1289380, 1415515, 2264824, 2578760, 2831030, 4529648, 5157520, 5662060, 6511369, 11324120, 13022738, 22648240, 26045476, 32556845, 52090952, 65113690, 104181904, 130227380, 260454760, 520909520]

約数ペア:

[(1, 520909520), (2, 260454760), (4, 130227380), (5, 104181904), (8, 65113690), (10, 52090952), (16, 32556845), (20, 26045476), (23, 22648240), (40, 13022738), (46, 11324120), (80, 6511369), (92, 5662060), (101, 5157520), (115, 4529648), (184, 2831030), (202, 2578760), (230, 2264824), (368, 1415515), (404, 1289380), (460, 1132412), (505, 1031504), (808, 644690), (920, 566206), (1010, 515752), (1616, 322345), (1840, 283103), (2020, 257876), (2323, 224240), (2803, 185840), (4040, 128938), (4646, 112120), (5606, 92920), (8080, 64469), (9292, 56060), (11212, 46460), (11615, 44848), (14015, 37168), (18584, 28030), (22424, 23230)]