78890870

素因数分解:

$2^1\times 5^1\times {\mathrm{1451}}^1\times {\mathrm{5437}}^1$

素因数の和:6895

約数の個数: 16

約数和(自身を含む): 142127568

約数和(自身を除く): 63236698

約数列:

[1, 2, 5, 10, 1451, 2902, 5437, 7255, 10874, 14510, 27185, 54370, 7889087, 15778174, 39445435, 78890870]

約数ペア:

[(1, 78890870), (2, 39445435), (5, 15778174), (10, 7889087), (1451, 54370), (2902, 27185), (5437, 14510), (7255, 10874)]