25123540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7433}}^1$

素因数の和:7468

約数の個数: 36

約数和(自身を含む): 57137724

約数和(自身を除く): 32014184

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 7433, 14866, 29732, 37165, 74330, 96629, 148660, 193258, 386516, 483145, 966290, 1256177, 1932580, 2512354, 5024708, 6280885, 12561770, 25123540]

約数ペア:

[(1, 25123540), (2, 12561770), (4, 6280885), (5, 5024708), (10, 2512354), (13, 1932580), (20, 1256177), (26, 966290), (52, 483145), (65, 386516), (130, 193258), (169, 148660), (260, 96629), (338, 74330), (676, 37165), (845, 29732), (1690, 14866), (3380, 7433)]