27865490

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{6949}}^1$

素因数の和:7357

約数の個数: 16

約数和(自身を含む): 50290200

約数和(自身を除く): 22424710

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 6949, 13898, 34745, 69490, 2786549, 5573098, 13932745, 27865490]

約数ペア:

[(1, 27865490), (2, 13932745), (5, 5573098), (10, 2786549), (401, 69490), (802, 34745), (2005, 13898), (4010, 6949)]