161361650

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{78713}}^1$

素因数の和:78766

約数の個数: 24

約数和(自身を含む): 307456884

約数和(自身を除く): 146095234

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 78713, 157426, 393565, 787130, 1967825, 3227233, 3935650, 6454466, 16136165, 32272330, 80680825, 161361650]

約数ペア:

[(1, 161361650), (2, 80680825), (5, 32272330), (10, 16136165), (25, 6454466), (41, 3935650), (50, 3227233), (82, 1967825), (205, 787130), (410, 393565), (1025, 157426), (2050, 78713)]