39894025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{38921}}^1$

素因数の和:38972

約数の個数: 12

約数和(自身を含む): 50676444

約数和(自身を除く): 10782419

約数列:

[1, 5, 25, 41, 205, 1025, 38921, 194605, 973025, 1595761, 7978805, 39894025]

約数ペア:

[(1, 39894025), (5, 7978805), (25, 1595761), (41, 973025), (205, 194605), (1025, 38921)]