80438704

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{264601}}^1$

素因数の和:264628

約数の個数: 20

約数和(自身を含む): 164053240

約数和(自身を除く): 83614536

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 264601, 529202, 1058404, 2116808, 4233616, 5027419, 10054838, 20109676, 40219352, 80438704]

約数ペア:

[(1, 80438704), (2, 40219352), (4, 20109676), (8, 10054838), (16, 5027419), (19, 4233616), (38, 2116808), (76, 1058404), (152, 529202), (304, 264601)]