87982880

素因数分解:

$2^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{5669}}^1$

素因数の和:5781

約数の個数: 48

約数和(自身を含む): 210039480

約数和(自身を除く): 122056600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 97, 160, 194, 388, 485, 776, 970, 1552, 1940, 3104, 3880, 5669, 7760, 11338, 15520, 22676, 28345, 45352, 56690, 90704, 113380, 181408, 226760, 453520, 549893, 907040, 1099786, 2199572, 2749465, 4399144, 5498930, 8798288, 10997860, 17596576, 21995720, 43991440, 87982880]

約数ペア:

[(1, 87982880), (2, 43991440), (4, 21995720), (5, 17596576), (8, 10997860), (10, 8798288), (16, 5498930), (20, 4399144), (32, 2749465), (40, 2199572), (80, 1099786), (97, 907040), (160, 549893), (194, 453520), (388, 226760), (485, 181408), (776, 113380), (970, 90704), (1552, 56690), (1940, 45352), (3104, 28345), (3880, 22676), (5669, 15520), (7760, 11338)]