875020

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{653}}^1$

素因数の和:729

約数の個数: 24

約数和(自身を含む): 1867824

約数和(自身を除く): 992804

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 653, 670, 1306, 1340, 2612, 3265, 6530, 13060, 43751, 87502, 175004, 218755, 437510, 875020]

約数ペア:

[(1, 875020), (2, 437510), (4, 218755), (5, 175004), (10, 87502), (20, 43751), (67, 13060), (134, 6530), (268, 3265), (335, 2612), (653, 1340), (670, 1306)]