27981400

素因数分解:

$2^3\times 5^2\times {\mathrm{139907}}^1$

素因数の和:139923

約数の個数: 24

約数和(自身を含む): 65057220

約数和(自身を除く): 37075820

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 139907, 279814, 559628, 699535, 1119256, 1399070, 2798140, 3497675, 5596280, 6995350, 13990700, 27981400]

約数ペア:

[(1, 27981400), (2, 13990700), (4, 6995350), (5, 5596280), (8, 3497675), (10, 2798140), (20, 1399070), (25, 1119256), (40, 699535), (50, 559628), (100, 279814), (200, 139907)]