25643240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{91583}}^1$

素因数の和:91601

約数の個数: 32

約数和(自身を含む): 65940480

約数和(自身を除く): 40297240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 91583, 183166, 366332, 457915, 641081, 732664, 915830, 1282162, 1831660, 2564324, 3205405, 3663320, 5128648, 6410810, 12821620, 25643240]

約数ペア:

[(1, 25643240), (2, 12821620), (4, 6410810), (5, 5128648), (7, 3663320), (8, 3205405), (10, 2564324), (14, 1831660), (20, 1282162), (28, 915830), (35, 732664), (40, 641081), (56, 457915), (70, 366332), (140, 183166), (280, 91583)]