82176880

素因数分解:

$2^4\times 5^1\times {\mathrm{1027211}}^1$

素因数の和:1027224

約数の個数: 20

約数和(自身を含む): 191061432

約数和(自身を除く): 108884552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1027211, 2054422, 4108844, 5136055, 8217688, 10272110, 16435376, 20544220, 41088440, 82176880]

約数ペア:

[(1, 82176880), (2, 41088440), (4, 20544220), (5, 16435376), (8, 10272110), (10, 8217688), (16, 5136055), (20, 4108844), (40, 2054422), (80, 1027211)]