54638740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6779}}^1$

素因数の和:6832

約数の個数: 48

約数和(自身を含む): 127572480

約数和(自身を除く): 72933740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 6779, 8060, 13558, 27116, 33895, 67790, 88127, 135580, 176254, 210149, 352508, 420298, 440635, 840596, 881270, 1050745, 1762540, 2101490, 2731937, 4202980, 5463874, 10927748, 13659685, 27319370, 54638740]

約数ペア:

[(1, 54638740), (2, 27319370), (4, 13659685), (5, 10927748), (10, 5463874), (13, 4202980), (20, 2731937), (26, 2101490), (31, 1762540), (52, 1050745), (62, 881270), (65, 840596), (124, 440635), (130, 420298), (155, 352508), (260, 210149), (310, 176254), (403, 135580), (620, 88127), (806, 67790), (1612, 33895), (2015, 27116), (4030, 13558), (6779, 8060)]