27871340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199081}}^1$

素因数の和:199097

約数の個数: 24

約数和(自身を含む): 66891552

約数和(自身を除く): 39020212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199081, 398162, 796324, 995405, 1393567, 1990810, 2787134, 3981620, 5574268, 6967835, 13935670, 27871340]

約数ペア:

[(1, 27871340), (2, 13935670), (4, 6967835), (5, 5574268), (7, 3981620), (10, 2787134), (14, 1990810), (20, 1393567), (28, 995405), (35, 796324), (70, 398162), (140, 199081)]