2587940

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1559}}^1$

素因数の和:1651

約数の個数: 24

約数和(自身を含む): 5503680

約数和(自身を除く): 2915740

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1559, 1660, 3118, 6236, 7795, 15590, 31180, 129397, 258794, 517588, 646985, 1293970, 2587940]

約数ペア:

[(1, 2587940), (2, 1293970), (4, 646985), (5, 517588), (10, 258794), (20, 129397), (83, 31180), (166, 15590), (332, 7795), (415, 6236), (830, 3118), (1559, 1660)]