12939700

素因数分解:

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

素因数の和:1656

約数の個数: 36

約数和(自身を含む): 28435680

約数和(自身を除く): 15495980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 83, 100, 166, 332, 415, 830, 1559, 1660, 2075, 3118, 4150, 6236, 7795, 8300, 15590, 31180, 38975, 77950, 129397, 155900, 258794, 517588, 646985, 1293970, 2587940, 3234925, 6469850, 12939700]

約数ペア:

[(1, 12939700), (2, 6469850), (4, 3234925), (5, 2587940), (10, 1293970), (20, 646985), (25, 517588), (50, 258794), (83, 155900), (100, 129397), (166, 77950), (332, 38975), (415, 31180), (830, 15590), (1559, 8300), (1660, 7795), (2075, 6236), (3118, 4150)]