67289800

素因数分解:

$2^3\times 5^2\times {\mathrm{509}}^1\times {\mathrm{661}}^1$

素因数の和:1186

約数の個数: 48

約数和(自身を含む): 156993300

約数和(自身を除く): 89703500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 509, 661, 1018, 1322, 2036, 2545, 2644, 3305, 4072, 5090, 5288, 6610, 10180, 12725, 13220, 16525, 20360, 25450, 26440, 33050, 50900, 66100, 101800, 132200, 336449, 672898, 1345796, 1682245, 2691592, 3364490, 6728980, 8411225, 13457960, 16822450, 33644900, 67289800]

約数ペア:

[(1, 67289800), (2, 33644900), (4, 16822450), (5, 13457960), (8, 8411225), (10, 6728980), (20, 3364490), (25, 2691592), (40, 1682245), (50, 1345796), (100, 672898), (200, 336449), (509, 132200), (661, 101800), (1018, 66100), (1322, 50900), (2036, 33050), (2545, 26440), (2644, 25450), (3305, 20360), (4072, 16525), (5090, 13220), (5288, 12725), (6610, 10180)]