856556075

素因数分解:

$5^2\times {\mathrm{97}}^1\times {\mathrm{421}}^1\times {\mathrm{839}}^1$

素因数の和:1367

約数の個数: 24

約数和(自身を含む): 1076910240

約数和(自身を除く): 220354165

約数列:

[1, 5, 25, 97, 421, 485, 839, 2105, 2425, 4195, 10525, 20975, 40837, 81383, 204185, 353219, 406915, 1020925, 1766095, 2034575, 8830475, 34262243, 171311215, 856556075]

約数ペア:

[(1, 856556075), (5, 171311215), (25, 34262243), (97, 8830475), (421, 2034575), (485, 1766095), (839, 1020925), (2105, 406915), (2425, 353219), (4195, 204185), (10525, 81383), (20975, 40837)]