82558760

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{10477}}^1$

素因数の和:10685

約数の個数: 32

約数和(自身を含む): 186717960

約数和(自身を除く): 104159200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 10477, 20954, 41908, 52385, 83816, 104770, 209540, 419080, 2063969, 4127938, 8255876, 10319845, 16511752, 20639690, 41279380, 82558760]

約数ペア:

[(1, 82558760), (2, 41279380), (4, 20639690), (5, 16511752), (8, 10319845), (10, 8255876), (20, 4127938), (40, 2063969), (197, 419080), (394, 209540), (788, 104770), (985, 83816), (1576, 52385), (1970, 41908), (3940, 20954), (7880, 10477)]