4981036780

素因数分解:

$2^2\times 5^1\times {\mathrm{249051839}}^1$

素因数の和:249051848

約数の個数: 12

約数和(自身を含む): 10460177280

約数和(自身を除く): 5479140500

約数列:

[1, 2, 4, 5, 10, 20, 249051839, 498103678, 996207356, 1245259195, 2490518390, 4981036780]

約数ペア:

[(1, 4981036780), (2, 2490518390), (4, 1245259195), (5, 996207356), (10, 498103678), (20, 249051839)]