28841560

素因数分解:

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

素因数の和:193

約数の個数: 96

約数和(自身を含む): 73256400

約数和(自身を除く): 44414840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 101, 110, 118, 121, 202, 220, 236, 242, 295, 404, 440, 472, 484, 505, 590, 605, 649, 808, 968, 1010, 1111, 1180, 1210, 1298, 2020, 2222, 2360, 2420, 2596, 3245, 4040, 4444, 4840, 5192, 5555, 5959, 6490, 7139, 8888, 11110, 11918, 12221, 12980, 14278, 22220, 23836, 24442, 25960, 28556, 29795, 35695, 44440, 47672, 48884, 57112, 59590, 61105, 65549, 71390, 97768, 119180, 122210, 131098, 142780, 238360, 244420, 262196, 285560, 327745, 488840, 524392, 655490, 721039, 1310980, 1442078, 2621960, 2884156, 3605195, 5768312, 7210390, 14420780, 28841560]

約数ペア:

[(1, 28841560), (2, 14420780), (4, 7210390), (5, 5768312), (8, 3605195), (10, 2884156), (11, 2621960), (20, 1442078), (22, 1310980), (40, 721039), (44, 655490), (55, 524392), (59, 488840), (88, 327745), (101, 285560), (110, 262196), (118, 244420), (121, 238360), (202, 142780), (220, 131098), (236, 122210), (242, 119180), (295, 97768), (404, 71390), (440, 65549), (472, 61105), (484, 59590), (505, 57112), (590, 48884), (605, 47672), (649, 44440), (808, 35695), (968, 29795), (1010, 28556), (1111, 25960), (1180, 24442), (1210, 23836), (1298, 22220), (2020, 14278), (2222, 12980), (2360, 12221), (2420, 11918), (2596, 11110), (3245, 8888), (4040, 7139), (4444, 6490), (4840, 5959), (5192, 5555)]