8003138560

素因数分解:

$2^{10}\times 5^1\times {\mathrm{31}}^1\times {\mathrm{50423}}^1$

素因数の和:50479

約数の個数: 88

約数和(自身を含む): 19817842176

約数和(自身を除く): 11814703616

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, 1024, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 5120, 7936, 9920, 15872, 19840, 31744, 39680, 50423, 79360, 100846, 158720, 201692, 252115, 403384, 504230, 806768, 1008460, 1563113, 1613536, 2016920, 3126226, 3227072, 4033840, 6252452, 6454144, 7815565, 8067680, 12504904, 12908288, 15631130, 16135360, 25009808, 25816576, 31262260, 32270720, 50019616, 51633152, 62524520, 64541440, 100039232, 125049040, 129082880, 200078464, 250098080, 258165760, 400156928, 500196160, 800313856, 1000392320, 1600627712, 2000784640, 4001569280, 8003138560]

約数ペア:

[(1, 8003138560), (2, 4001569280), (4, 2000784640), (5, 1600627712), (8, 1000392320), (10, 800313856), (16, 500196160), (20, 400156928), (31, 258165760), (32, 250098080), (40, 200078464), (62, 129082880), (64, 125049040), (80, 100039232), (124, 64541440), (128, 62524520), (155, 51633152), (160, 50019616), (248, 32270720), (256, 31262260), (310, 25816576), (320, 25009808), (496, 16135360), (512, 15631130), (620, 12908288), (640, 12504904), (992, 8067680), (1024, 7815565), (1240, 6454144), (1280, 6252452), (1984, 4033840), (2480, 3227072), (2560, 3126226), (3968, 2016920), (4960, 1613536), (5120, 1563113), (7936, 1008460), (9920, 806768), (15872, 504230), (19840, 403384), (31744, 252115), (39680, 201692), (50423, 158720), (79360, 100846)]