5238740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20149}}^1$

素因数の和:20171

約数の個数: 24

約数和(自身を含む): 11848200

約数和(自身を除く): 6609460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 20149, 40298, 80596, 100745, 201490, 261937, 402980, 523874, 1047748, 1309685, 2619370, 5238740]

約数ペア:

[(1, 5238740), (2, 2619370), (4, 1309685), (5, 1047748), (10, 523874), (13, 402980), (20, 261937), (26, 201490), (52, 100745), (65, 80596), (130, 40298), (260, 20149)]