80213500

素因数分解:

$2^2\times 5^3\times {\mathrm{137}}^1\times {\mathrm{1171}}^1$

素因数の和:1327

約数の個数: 48

約数和(自身を含む): 176615712

約数和(自身を除く): 96402212

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 137, 250, 274, 500, 548, 685, 1171, 1370, 2342, 2740, 3425, 4684, 5855, 6850, 11710, 13700, 17125, 23420, 29275, 34250, 58550, 68500, 117100, 146375, 160427, 292750, 320854, 585500, 641708, 802135, 1604270, 3208540, 4010675, 8021350, 16042700, 20053375, 40106750, 80213500]

約数ペア:

[(1, 80213500), (2, 40106750), (4, 20053375), (5, 16042700), (10, 8021350), (20, 4010675), (25, 3208540), (50, 1604270), (100, 802135), (125, 641708), (137, 585500), (250, 320854), (274, 292750), (500, 160427), (548, 146375), (685, 117100), (1171, 68500), (1370, 58550), (2342, 34250), (2740, 29275), (3425, 23420), (4684, 17125), (5855, 13700), (6850, 11710)]