20280160

素因数分解:

$2^5\times 5^1\times {\mathrm{126751}}^1$

素因数の和:126766

約数の個数: 24

約数和(自身を含む): 47912256

約数和(自身を除く): 27632096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 126751, 253502, 507004, 633755, 1014008, 1267510, 2028016, 2535020, 4056032, 5070040, 10140080, 20280160]

約数ペア:

[(1, 20280160), (2, 10140080), (4, 5070040), (5, 4056032), (8, 2535020), (10, 2028016), (16, 1267510), (20, 1014008), (32, 633755), (40, 507004), (80, 253502), (160, 126751)]