50891800

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{3221}}^1$

素因数の和:3316

約数の個数: 48

約数和(自身を含む): 119858400

約数和(自身を除く): 68966600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 632, 790, 1580, 1975, 3160, 3221, 3950, 6442, 7900, 12884, 15800, 16105, 25768, 32210, 64420, 80525, 128840, 161050, 254459, 322100, 508918, 644200, 1017836, 1272295, 2035672, 2544590, 5089180, 6361475, 10178360, 12722950, 25445900, 50891800]

約数ペア:

[(1, 50891800), (2, 25445900), (4, 12722950), (5, 10178360), (8, 6361475), (10, 5089180), (20, 2544590), (25, 2035672), (40, 1272295), (50, 1017836), (79, 644200), (100, 508918), (158, 322100), (200, 254459), (316, 161050), (395, 128840), (632, 80525), (790, 64420), (1580, 32210), (1975, 25768), (3160, 16105), (3221, 15800), (3950, 12884), (6442, 7900)]