208240401920

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2623997}}^1$

素因数の和:2624051

約数の個数: 80

約数和(自身を含む): 515395191168

約数和(自身を除く): 307154789248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 7936, 9920, 15872, 19840, 39680, 79360, 2623997, 5247994, 10495988, 13119985, 20991976, 26239970, 41983952, 52479940, 81343907, 83967904, 104959880, 162687814, 167935808, 209919760, 325375628, 335871616, 406719535, 419839520, 650751256, 671743232, 813439070, 839679040, 1301502512, 1343486464, 1626878140, 1679358080, 2603005024, 3253756280, 3358716160, 5206010048, 6507512560, 6717432320, 10412020096, 13015025120, 20824040192, 26030050240, 41648080384, 52060100480, 104120200960, 208240401920]

約数ペア:

[(1, 208240401920), (2, 104120200960), (4, 52060100480), (5, 41648080384), (8, 26030050240), (10, 20824040192), (16, 13015025120), (20, 10412020096), (31, 6717432320), (32, 6507512560), (40, 5206010048), (62, 3358716160), (64, 3253756280), (80, 2603005024), (124, 1679358080), (128, 1626878140), (155, 1343486464), (160, 1301502512), (248, 839679040), (256, 813439070), (310, 671743232), (320, 650751256), (496, 419839520), (512, 406719535), (620, 335871616), (640, 325375628), (992, 209919760), (1240, 167935808), (1280, 162687814), (1984, 104959880), (2480, 83967904), (2560, 81343907), (3968, 52479940), (4960, 41983952), (7936, 26239970), (9920, 20991976), (15872, 13119985), (19840, 10495988), (39680, 5247994), (79360, 2623997)]