170260240

素因数分解:

$2^4\times 5^1\times {\mathrm{2128253}}^1$

素因数の和:2128266

約数の個数: 20

約数和(自身を含む): 395855244

約数和(自身を除く): 225595004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2128253, 4256506, 8513012, 10641265, 17026024, 21282530, 34052048, 42565060, 85130120, 170260240]

約数ペア:

[(1, 170260240), (2, 85130120), (4, 42565060), (5, 34052048), (8, 21282530), (10, 17026024), (16, 10641265), (20, 8513012), (40, 4256506), (80, 2128253)]