31880120

素因数分解:

$2^3\times 5^1\times {\mathrm{797003}}^1$

素因数の和:797014

約数の個数: 16

約数和(自身を含む): 71730360

約数和(自身を除く): 39850240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797003, 1594006, 3188012, 3985015, 6376024, 7970030, 15940060, 31880120]

約数ペア:

[(1, 31880120), (2, 15940060), (4, 7970030), (5, 6376024), (8, 3985015), (10, 3188012), (20, 1594006), (40, 797003)]