25453168

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1549}}^1$

素因数の和:1649

約数の個数: 40

約数和(自身を含む): 53816000

約数和(自身を除く): 28362832

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 208, 316, 632, 1027, 1264, 1549, 2054, 3098, 4108, 6196, 8216, 12392, 16432, 20137, 24784, 40274, 80548, 122371, 161096, 244742, 322192, 489484, 978968, 1590823, 1957936, 3181646, 6363292, 12726584, 25453168]

約数ペア:

[(1, 25453168), (2, 12726584), (4, 6363292), (8, 3181646), (13, 1957936), (16, 1590823), (26, 978968), (52, 489484), (79, 322192), (104, 244742), (158, 161096), (208, 122371), (316, 80548), (632, 40274), (1027, 24784), (1264, 20137), (1549, 16432), (2054, 12392), (3098, 8216), (4108, 6196)]