2621960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:182

約数の個数: 64

約数和(自身を含む): 6609600

約数和(自身を除く): 3987640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 101, 110, 118, 202, 220, 236, 295, 404, 440, 472, 505, 590, 649, 808, 1010, 1111, 1180, 1298, 2020, 2222, 2360, 2596, 3245, 4040, 4444, 5192, 5555, 5959, 6490, 8888, 11110, 11918, 12980, 22220, 23836, 25960, 29795, 44440, 47672, 59590, 65549, 119180, 131098, 238360, 262196, 327745, 524392, 655490, 1310980, 2621960]

約数ペア:

[(1, 2621960), (2, 1310980), (4, 655490), (5, 524392), (8, 327745), (10, 262196), (11, 238360), (20, 131098), (22, 119180), (40, 65549), (44, 59590), (55, 47672), (59, 44440), (88, 29795), (101, 25960), (110, 23836), (118, 22220), (202, 12980), (220, 11918), (236, 11110), (295, 8888), (404, 6490), (440, 5959), (472, 5555), (505, 5192), (590, 4444), (649, 4040), (808, 3245), (1010, 2596), (1111, 2360), (1180, 2222), (1298, 2020)]