142389408080

素因数分解:

$2^4\times 5^1\times {\mathrm{1779867601}}^1$

素因数の和:1779867614

約数の個数: 20

約数和(自身を含む): 331055373972

約数和(自身を除く): 188665965892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1779867601, 3559735202, 7119470404, 8899338005, 14238940808, 17798676010, 28477881616, 35597352020, 71194704040, 142389408080]

約数ペア:

[(1, 142389408080), (2, 71194704040), (4, 35597352020), (5, 28477881616), (8, 17798676010), (10, 14238940808), (16, 8899338005), (20, 7119470404), (40, 3559735202), (80, 1779867601)]