2599220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{769}}^1$

素因数の和:804

約数の個数: 36

約数和(自身を含む): 5918220

約数和(自身を除く): 3319000

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 769, 845, 1538, 1690, 3076, 3380, 3845, 7690, 9997, 15380, 19994, 39988, 49985, 99970, 129961, 199940, 259922, 519844, 649805, 1299610, 2599220]

約数ペア:

[(1, 2599220), (2, 1299610), (4, 649805), (5, 519844), (10, 259922), (13, 199940), (20, 129961), (26, 99970), (52, 49985), (65, 39988), (130, 19994), (169, 15380), (260, 9997), (338, 7690), (676, 3845), (769, 3380), (845, 3076), (1538, 1690)]