201025900

素因数分解:

$2^2\times 5^2\times {\mathrm{251}}^1\times {\mathrm{8009}}^1$

素因数の和:8274

約数の個数: 36

約数和(自身を含む): 438018840

約数和(自身を除く): 236992940

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 251, 502, 1004, 1255, 2510, 5020, 6275, 8009, 12550, 16018, 25100, 32036, 40045, 80090, 160180, 200225, 400450, 800900, 2010259, 4020518, 8041036, 10051295, 20102590, 40205180, 50256475, 100512950, 201025900]

約数ペア:

[(1, 201025900), (2, 100512950), (4, 50256475), (5, 40205180), (10, 20102590), (20, 10051295), (25, 8041036), (50, 4020518), (100, 2010259), (251, 800900), (502, 400450), (1004, 200225), (1255, 160180), (2510, 80090), (5020, 40045), (6275, 32036), (8009, 25100), (12550, 16018)]