1955360

素因数分解:

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

素因数の和:138

約数の個数: 72

約数和(自身を含む): 5127948

約数和(自身を除く): 3172588

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 101, 110, 121, 160, 176, 202, 220, 242, 352, 404, 440, 484, 505, 605, 808, 880, 968, 1010, 1111, 1210, 1616, 1760, 1936, 2020, 2222, 2420, 3232, 3872, 4040, 4444, 4840, 5555, 8080, 8888, 9680, 11110, 12221, 16160, 17776, 19360, 22220, 24442, 35552, 44440, 48884, 61105, 88880, 97768, 122210, 177760, 195536, 244420, 391072, 488840, 977680, 1955360]

約数ペア:

[(1, 1955360), (2, 977680), (4, 488840), (5, 391072), (8, 244420), (10, 195536), (11, 177760), (16, 122210), (20, 97768), (22, 88880), (32, 61105), (40, 48884), (44, 44440), (55, 35552), (80, 24442), (88, 22220), (101, 19360), (110, 17776), (121, 16160), (160, 12221), (176, 11110), (202, 9680), (220, 8888), (242, 8080), (352, 5555), (404, 4840), (440, 4444), (484, 4040), (505, 3872), (605, 3232), (808, 2420), (880, 2222), (968, 2020), (1010, 1936), (1111, 1760), (1210, 1616)]