77871440

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10937}}^1$

素因数の和:11039

約数の個数: 40

約数和(自身を含む): 183102120

約数和(自身を除く): 105230680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 10937, 21874, 43748, 54685, 87496, 109370, 174992, 218740, 437480, 874960, 973393, 1946786, 3893572, 4866965, 7787144, 9733930, 15574288, 19467860, 38935720, 77871440]

約数ペア:

[(1, 77871440), (2, 38935720), (4, 19467860), (5, 15574288), (8, 9733930), (10, 7787144), (16, 4866965), (20, 3893572), (40, 1946786), (80, 973393), (89, 874960), (178, 437480), (356, 218740), (445, 174992), (712, 109370), (890, 87496), (1424, 54685), (1780, 43748), (3560, 21874), (7120, 10937)]