25805104

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1279}}^1$

素因数の和:1397

約数の個数: 40

約数和(自身を含む): 54440960

約数和(自身を除く): 28635856

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 97, 104, 194, 208, 388, 776, 1261, 1279, 1552, 2522, 2558, 5044, 5116, 10088, 10232, 16627, 20176, 20464, 33254, 66508, 124063, 133016, 248126, 266032, 496252, 992504, 1612819, 1985008, 3225638, 6451276, 12902552, 25805104]

約数ペア:

[(1, 25805104), (2, 12902552), (4, 6451276), (8, 3225638), (13, 1985008), (16, 1612819), (26, 992504), (52, 496252), (97, 266032), (104, 248126), (194, 133016), (208, 124063), (388, 66508), (776, 33254), (1261, 20464), (1279, 20176), (1552, 16627), (2522, 10232), (2558, 10088), (5044, 5116)]