142240240

素因数分解:

$2^4\times 5^1\times {\mathrm{1778003}}^1$

素因数の和:1778016

約数の個数: 20

約数和(自身を含む): 330708744

約数和(自身を除く): 188468504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1778003, 3556006, 7112012, 8890015, 14224024, 17780030, 28448048, 35560060, 71120120, 142240240]

約数ペア:

[(1, 142240240), (2, 71120120), (4, 35560060), (5, 28448048), (8, 17780030), (10, 14224024), (16, 8890015), (20, 7112012), (40, 3556006), (80, 1778003)]