5445080

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{691}}^1$

素因数の和:899

約数の個数: 32

約数和(自身を含む): 12331440

約数和(自身を除く): 6886360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 691, 788, 985, 1382, 1576, 1970, 2764, 3455, 3940, 5528, 6910, 7880, 13820, 27640, 136127, 272254, 544508, 680635, 1089016, 1361270, 2722540, 5445080]

約数ペア:

[(1, 5445080), (2, 2722540), (4, 1361270), (5, 1089016), (8, 680635), (10, 544508), (20, 272254), (40, 136127), (197, 27640), (394, 13820), (691, 7880), (788, 6910), (985, 5528), (1382, 3940), (1576, 3455), (1970, 2764)]