39680800

素因数分解:

$2^5\times 5^2\times {\mathrm{193}}^1\times {\mathrm{257}}^1$

素因数の和:470

約数の個数: 72

約数和(自身を含む): 97751556

約数和(自身を除く): 58070756

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 193, 200, 257, 386, 400, 514, 772, 800, 965, 1028, 1285, 1544, 1930, 2056, 2570, 3088, 3860, 4112, 4825, 5140, 6176, 6425, 7720, 8224, 9650, 10280, 12850, 15440, 19300, 20560, 25700, 30880, 38600, 41120, 49601, 51400, 77200, 99202, 102800, 154400, 198404, 205600, 248005, 396808, 496010, 793616, 992020, 1240025, 1587232, 1984040, 2480050, 3968080, 4960100, 7936160, 9920200, 19840400, 39680800]

約数ペア:

[(1, 39680800), (2, 19840400), (4, 9920200), (5, 7936160), (8, 4960100), (10, 3968080), (16, 2480050), (20, 1984040), (25, 1587232), (32, 1240025), (40, 992020), (50, 793616), (80, 496010), (100, 396808), (160, 248005), (193, 205600), (200, 198404), (257, 154400), (386, 102800), (400, 99202), (514, 77200), (772, 51400), (800, 49601), (965, 41120), (1028, 38600), (1285, 30880), (1544, 25700), (1930, 20560), (2056, 19300), (2570, 15440), (3088, 12850), (3860, 10280), (4112, 9650), (4825, 8224), (5140, 7720), (6176, 6425)]