25432880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28901}}^1$

素因数の和:28925

約数の個数: 40

約数和(自身を含む): 64509264

約数和(自身を除く): 39076384

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 28901, 57802, 115604, 144505, 231208, 289010, 317911, 462416, 578020, 635822, 1156040, 1271644, 1589555, 2312080, 2543288, 3179110, 5086576, 6358220, 12716440, 25432880]

約数ペア:

[(1, 25432880), (2, 12716440), (4, 6358220), (5, 5086576), (8, 3179110), (10, 2543288), (11, 2312080), (16, 1589555), (20, 1271644), (22, 1156040), (40, 635822), (44, 578020), (55, 462416), (80, 317911), (88, 289010), (110, 231208), (176, 144505), (220, 115604), (440, 57802), (880, 28901)]