1626160

素因数分解:

$2^4\times 5^1\times {\mathrm{20327}}^1$

素因数の和:20340

約数の個数: 20

約数和(自身を含む): 3781008

約数和(自身を除く): 2154848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20327, 40654, 81308, 101635, 162616, 203270, 325232, 406540, 813080, 1626160]

約数ペア:

[(1, 1626160), (2, 813080), (4, 406540), (5, 325232), (8, 203270), (10, 162616), (16, 101635), (20, 81308), (40, 40654), (80, 20327)]