80428090

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{113279}}^1$

素因数の和:113357

約数の個数: 16

約数和(自身を含む): 146810880

約数和(自身を除く): 66382790

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 113279, 226558, 566395, 1132790, 8042809, 16085618, 40214045, 80428090]

約数ペア:

[(1, 80428090), (2, 40214045), (5, 16085618), (10, 8042809), (71, 1132790), (142, 566395), (355, 226558), (710, 113279)]