4338804980

素因数分解:

$2^2\times 5^1\times {\mathrm{216940249}}^1$

素因数の和:216940258

約数の個数: 12

約数和(自身を含む): 9111490500

約数和(自身を除く): 4772685520

約数列:

[1, 2, 4, 5, 10, 20, 216940249, 433880498, 867760996, 1084701245, 2169402490, 4338804980]

約数ペア:

[(1, 4338804980), (2, 2169402490), (4, 1084701245), (5, 867760996), (10, 433880498), (20, 216940249)]