87200920

素因数分解:

$2^3\times 5^1\times {\mathrm{911}}^1\times {\mathrm{2393}}^1$

素因数の和:3315

約数の個数: 32

約数和(自身を含む): 196499520

約数和(自身を除く): 109298600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 911, 1822, 2393, 3644, 4555, 4786, 7288, 9110, 9572, 11965, 18220, 19144, 23930, 36440, 47860, 95720, 2180023, 4360046, 8720092, 10900115, 17440184, 21800230, 43600460, 87200920]

約数ペア:

[(1, 87200920), (2, 43600460), (4, 21800230), (5, 17440184), (8, 10900115), (10, 8720092), (20, 4360046), (40, 2180023), (911, 95720), (1822, 47860), (2393, 36440), (3644, 23930), (4555, 19144), (4786, 18220), (7288, 11965), (9110, 9572)]