119889520

素因数分解:

$2^4\times 5^1\times {\mathrm{1498619}}^1$

素因数の和:1498632

約数の個数: 20

約数和(自身を含む): 278743320

約数和(自身を除く): 158853800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1498619, 2997238, 5994476, 7493095, 11988952, 14986190, 23977904, 29972380, 59944760, 119889520]

約数ペア:

[(1, 119889520), (2, 59944760), (4, 29972380), (5, 23977904), (8, 14986190), (10, 11988952), (16, 7493095), (20, 5994476), (40, 2997238), (80, 1498619)]