64316500

素因数分解:

$2^2\times 5^3\times {\mathrm{307}}^1\times {\mathrm{419}}^1$

素因数の和:745

約数の個数: 48

約数和(自身を含む): 141261120

約数和(自身を除く): 76944620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 307, 419, 500, 614, 838, 1228, 1535, 1676, 2095, 3070, 4190, 6140, 7675, 8380, 10475, 15350, 20950, 30700, 38375, 41900, 52375, 76750, 104750, 128633, 153500, 209500, 257266, 514532, 643165, 1286330, 2572660, 3215825, 6431650, 12863300, 16079125, 32158250, 64316500]

約数ペア:

[(1, 64316500), (2, 32158250), (4, 16079125), (5, 12863300), (10, 6431650), (20, 3215825), (25, 2572660), (50, 1286330), (100, 643165), (125, 514532), (250, 257266), (307, 209500), (419, 153500), (500, 128633), (614, 104750), (838, 76750), (1228, 52375), (1535, 41900), (1676, 38375), (2095, 30700), (3070, 20950), (4190, 15350), (6140, 10475), (7675, 8380)]