80745140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{82393}}^1$

素因数の和:82416

約数の個数: 36

約数和(自身を含む): 197251236

約数和(自身を除く): 116506096

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 82393, 164786, 329572, 411965, 576751, 823930, 1153502, 1647860, 2307004, 2883755, 4037257, 5767510, 8074514, 11535020, 16149028, 20186285, 40372570, 80745140]

約数ペア:

[(1, 80745140), (2, 40372570), (4, 20186285), (5, 16149028), (7, 11535020), (10, 8074514), (14, 5767510), (20, 4037257), (28, 2883755), (35, 2307004), (49, 1647860), (70, 1153502), (98, 823930), (140, 576751), (196, 411965), (245, 329572), (490, 164786), (980, 82393)]