81549800

素因数分解:

$2^3\times 5^2\times {\mathrm{59}}^1\times {\mathrm{6911}}^1$

素因数の和:6986

約数の個数: 48

約数和(自身を含む): 192844800

約数和(自身を除く): 111295000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 59, 100, 118, 200, 236, 295, 472, 590, 1180, 1475, 2360, 2950, 5900, 6911, 11800, 13822, 27644, 34555, 55288, 69110, 138220, 172775, 276440, 345550, 407749, 691100, 815498, 1382200, 1630996, 2038745, 3261992, 4077490, 8154980, 10193725, 16309960, 20387450, 40774900, 81549800]

約数ペア:

[(1, 81549800), (2, 40774900), (4, 20387450), (5, 16309960), (8, 10193725), (10, 8154980), (20, 4077490), (25, 3261992), (40, 2038745), (50, 1630996), (59, 1382200), (100, 815498), (118, 691100), (200, 407749), (236, 345550), (295, 276440), (472, 172775), (590, 138220), (1180, 69110), (1475, 55288), (2360, 34555), (2950, 27644), (5900, 13822), (6911, 11800)]