170260880

素因数分解:

$2^4\times 5^1\times {\mathrm{2128261}}^1$

素因数の和:2128274

約数の個数: 20

約数和(自身を含む): 395856732

約数和(自身を除く): 225595852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2128261, 4256522, 8513044, 10641305, 17026088, 21282610, 34052176, 42565220, 85130440, 170260880]

約数ペア:

[(1, 170260880), (2, 85130440), (4, 42565220), (5, 34052176), (8, 21282610), (10, 17026088), (16, 10641305), (20, 8513044), (40, 4256522), (80, 2128261)]