131656880

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{8527}}^1$

素因数の和:8733

約数の個数: 40

約数和(自身を含む): 307724352

約数和(自身を除く): 176067472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1544, 1930, 3088, 3860, 7720, 8527, 15440, 17054, 34108, 42635, 68216, 85270, 136432, 170540, 341080, 682160, 1645711, 3291422, 6582844, 8228555, 13165688, 16457110, 26331376, 32914220, 65828440, 131656880]

約数ペア:

[(1, 131656880), (2, 65828440), (4, 32914220), (5, 26331376), (8, 16457110), (10, 13165688), (16, 8228555), (20, 6582844), (40, 3291422), (80, 1645711), (193, 682160), (386, 341080), (772, 170540), (965, 136432), (1544, 85270), (1930, 68216), (3088, 42635), (3860, 34108), (7720, 17054), (8527, 15440)]