109209580

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{21247}}^1$

素因数の和:21513

約数の個数: 24

約数和(自身を含む): 230243328

約数和(自身を除く): 121033748

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 21247, 42494, 84988, 106235, 212470, 424940, 5460479, 10920958, 21841916, 27302395, 54604790, 109209580]

約数ペア:

[(1, 109209580), (2, 54604790), (4, 27302395), (5, 21841916), (10, 10920958), (20, 5460479), (257, 424940), (514, 212470), (1028, 106235), (1285, 84988), (2570, 42494), (5140, 21247)]