26915920

素因数分解:

$2^4\times 5^1\times {\mathrm{509}}^1\times {\mathrm{661}}^1$

素因数の和:1183

約数の個数: 40

約数和(自身を含む): 62797320

約数和(自身を除く): 35881400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509, 661, 1018, 1322, 2036, 2545, 2644, 3305, 4072, 5090, 5288, 6610, 8144, 10180, 10576, 13220, 20360, 26440, 40720, 52880, 336449, 672898, 1345796, 1682245, 2691592, 3364490, 5383184, 6728980, 13457960, 26915920]

約数ペア:

[(1, 26915920), (2, 13457960), (4, 6728980), (5, 5383184), (8, 3364490), (10, 2691592), (16, 1682245), (20, 1345796), (40, 672898), (80, 336449), (509, 52880), (661, 40720), (1018, 26440), (1322, 20360), (2036, 13220), (2545, 10576), (2644, 10180), (3305, 8144), (4072, 6610), (5090, 5288)]