131285840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{10193}}^1$

素因数の和:10236

約数の個数: 80

約数和(自身を含む): 364048128

約数和(自身を除く): 232762288

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 10193, 12880, 20386, 40772, 50965, 71351, 81544, 101930, 142702, 163088, 203860, 234439, 285404, 356755, 407720, 468878, 570808, 713510, 815440, 937756, 1141616, 1172195, 1427020, 1641073, 1875512, 2344390, 2854040, 3282146, 3751024, 4688780, 5708080, 6564292, 8205365, 9377560, 13128584, 16410730, 18755120, 26257168, 32821460, 65642920, 131285840]

約数ペア:

[(1, 131285840), (2, 65642920), (4, 32821460), (5, 26257168), (7, 18755120), (8, 16410730), (10, 13128584), (14, 9377560), (16, 8205365), (20, 6564292), (23, 5708080), (28, 4688780), (35, 3751024), (40, 3282146), (46, 2854040), (56, 2344390), (70, 1875512), (80, 1641073), (92, 1427020), (112, 1172195), (115, 1141616), (140, 937756), (161, 815440), (184, 713510), (230, 570808), (280, 468878), (322, 407720), (368, 356755), (460, 285404), (560, 234439), (644, 203860), (805, 163088), (920, 142702), (1288, 101930), (1610, 81544), (1840, 71351), (2576, 50965), (3220, 40772), (6440, 20386), (10193, 12880)]