80240240

素因数分解:

$2^4\times 5^1\times {\mathrm{1003003}}^1$

素因数の和:1003016

約数の個数: 20

約数和(自身を含む): 186558744

約数和(自身を除く): 106318504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1003003, 2006006, 4012012, 5015015, 8024024, 10030030, 16048048, 20060060, 40120120, 80240240]

約数ペア:

[(1, 80240240), (2, 40120120), (4, 20060060), (5, 16048048), (8, 10030030), (10, 8024024), (16, 5015015), (20, 4012012), (40, 2006006), (80, 1003003)]