49918960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6857}}^1$

素因数の和:6890

約数の個数: 80

約数和(自身を含む): 142865856

約数和(自身を除く): 92946896

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 6857, 7280, 13714, 27428, 34285, 47999, 54856, 68570, 89141, 95998, 109712, 137140, 178282, 191996, 239995, 274280, 356564, 383992, 445705, 479990, 548560, 623987, 713128, 767984, 891410, 959980, 1247974, 1426256, 1782820, 1919960, 2495948, 3119935, 3565640, 3839920, 4991896, 6239870, 7131280, 9983792, 12479740, 24959480, 49918960]

約数ペア:

[(1, 49918960), (2, 24959480), (4, 12479740), (5, 9983792), (7, 7131280), (8, 6239870), (10, 4991896), (13, 3839920), (14, 3565640), (16, 3119935), (20, 2495948), (26, 1919960), (28, 1782820), (35, 1426256), (40, 1247974), (52, 959980), (56, 891410), (65, 767984), (70, 713128), (80, 623987), (91, 548560), (104, 479990), (112, 445705), (130, 383992), (140, 356564), (182, 274280), (208, 239995), (260, 191996), (280, 178282), (364, 137140), (455, 109712), (520, 95998), (560, 89141), (728, 68570), (910, 54856), (1040, 47999), (1456, 34285), (1820, 27428), (3640, 13714), (6857, 7280)]