2488890710

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{620671}}^1$

素因数の和:621079

約数の個数: 16

約数和(自身を含む): 4491182592

約数和(自身を除く): 2002291882

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 620671, 1241342, 3103355, 6206710, 248889071, 497778142, 1244445355, 2488890710]

約数ペア:

[(1, 2488890710), (2, 1244445355), (5, 497778142), (10, 248889071), (401, 6206710), (802, 3103355), (2005, 1241342), (4010, 620671)]