80989424

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{39857}}^1$

素因数の和:39992

約数の個数: 20

約数和(自身を含む): 158156544

約数和(自身を除く): 77167120

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 39857, 79714, 159428, 318856, 637712, 5061839, 10123678, 20247356, 40494712, 80989424]

約数ペア:

[(1, 80989424), (2, 40494712), (4, 20247356), (8, 10123678), (16, 5061839), (127, 637712), (254, 318856), (508, 159428), (1016, 79714), (2032, 39857)]