12754780

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21991}}^1$

素因数の和:22029

約数の個数: 24

約数和(自身を含む): 27709920

約数和(自身を除く): 14955140

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 21991, 43982, 87964, 109955, 219910, 439820, 637739, 1275478, 2550956, 3188695, 6377390, 12754780]

約数ペア:

[(1, 12754780), (2, 6377390), (4, 3188695), (5, 2550956), (10, 1275478), (20, 637739), (29, 439820), (58, 219910), (116, 109955), (145, 87964), (290, 43982), (580, 21991)]