49372840

素因数分解:

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

素因数の和:235

約数の個数: 72

約数和(自身を含む): 123326910

約数和(自身を除く): 73954070

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 121, 202, 220, 242, 404, 440, 484, 505, 605, 808, 968, 1010, 1111, 1210, 2020, 2222, 2420, 4040, 4444, 4840, 5555, 8888, 10201, 11110, 12221, 20402, 22220, 24442, 40804, 44440, 48884, 51005, 61105, 81608, 97768, 102010, 112211, 122210, 204020, 224422, 244420, 408040, 448844, 488840, 561055, 897688, 1122110, 1234321, 2244220, 2468642, 4488440, 4937284, 6171605, 9874568, 12343210, 24686420, 49372840]

約数ペア:

[(1, 49372840), (2, 24686420), (4, 12343210), (5, 9874568), (8, 6171605), (10, 4937284), (11, 4488440), (20, 2468642), (22, 2244220), (40, 1234321), (44, 1122110), (55, 897688), (88, 561055), (101, 488840), (110, 448844), (121, 408040), (202, 244420), (220, 224422), (242, 204020), (404, 122210), (440, 112211), (484, 102010), (505, 97768), (605, 81608), (808, 61105), (968, 51005), (1010, 48884), (1111, 44440), (1210, 40804), (2020, 24442), (2222, 22220), (2420, 20402), (4040, 12221), (4444, 11110), (4840, 10201), (5555, 8888)]