85319920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{607}}^1$

素因数の和:878

約数の個数: 80

約数和(自身を含む): 227985408

約数和(自身を除く): 142665488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 251, 280, 502, 560, 607, 1004, 1214, 1255, 1757, 2008, 2428, 2510, 3035, 3514, 4016, 4249, 4856, 5020, 6070, 7028, 8498, 8785, 9712, 10040, 12140, 14056, 16996, 17570, 20080, 21245, 24280, 28112, 33992, 35140, 42490, 48560, 67984, 70280, 84980, 140560, 152357, 169960, 304714, 339920, 609428, 761785, 1066499, 1218856, 1523570, 2132998, 2437712, 3047140, 4265996, 5332495, 6094280, 8531992, 10664990, 12188560, 17063984, 21329980, 42659960, 85319920]

約数ペア:

[(1, 85319920), (2, 42659960), (4, 21329980), (5, 17063984), (7, 12188560), (8, 10664990), (10, 8531992), (14, 6094280), (16, 5332495), (20, 4265996), (28, 3047140), (35, 2437712), (40, 2132998), (56, 1523570), (70, 1218856), (80, 1066499), (112, 761785), (140, 609428), (251, 339920), (280, 304714), (502, 169960), (560, 152357), (607, 140560), (1004, 84980), (1214, 70280), (1255, 67984), (1757, 48560), (2008, 42490), (2428, 35140), (2510, 33992), (3035, 28112), (3514, 24280), (4016, 21245), (4249, 20080), (4856, 17570), (5020, 16996), (6070, 14056), (7028, 12140), (8498, 10040), (8785, 9712)]