80193985

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:513

約数の個数: 32

約数和(自身を含む): 105587712

約数和(自身を除く): 25393727

約数列:

[1, 5, 23, 37, 47, 115, 185, 235, 401, 851, 1081, 1739, 2005, 4255, 5405, 8695, 9223, 14837, 18847, 39997, 46115, 74185, 94235, 199985, 341251, 433481, 697339, 1706255, 2167405, 3486695, 16038797, 80193985]

約数ペア:

[(1, 80193985), (5, 16038797), (23, 3486695), (37, 2167405), (47, 1706255), (115, 697339), (185, 433481), (235, 341251), (401, 199985), (851, 94235), (1081, 74185), (1739, 46115), (2005, 39997), (4255, 18847), (5405, 14837), (8695, 9223)]