40644325

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2087}}^1$

素因数の和:2157

約数の個数: 24

約数和(自身を含む): 54371520

約数和(自身を除く): 13727195

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 779, 1025, 2087, 3895, 10435, 19475, 39653, 52175, 85567, 198265, 427835, 991325, 1625773, 2139175, 8128865, 40644325]

約数ペア:

[(1, 40644325), (5, 8128865), (19, 2139175), (25, 1625773), (41, 991325), (95, 427835), (205, 198265), (475, 85567), (779, 52175), (1025, 39653), (2087, 19475), (3895, 10435)]