55949960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1259}}^1$

素因数の和:1382

約数の個数: 64

約数和(自身を含む): 138801600

約数和(自身を除く): 82851640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 808, 1010, 1111, 1259, 2020, 2222, 2518, 4040, 4444, 5036, 5555, 6295, 8888, 10072, 11110, 12590, 13849, 22220, 25180, 27698, 44440, 50360, 55396, 69245, 110792, 127159, 138490, 254318, 276980, 508636, 553960, 635795, 1017272, 1271590, 1398749, 2543180, 2797498, 5086360, 5594996, 6993745, 11189992, 13987490, 27974980, 55949960]

約数ペア:

[(1, 55949960), (2, 27974980), (4, 13987490), (5, 11189992), (8, 6993745), (10, 5594996), (11, 5086360), (20, 2797498), (22, 2543180), (40, 1398749), (44, 1271590), (55, 1017272), (88, 635795), (101, 553960), (110, 508636), (202, 276980), (220, 254318), (404, 138490), (440, 127159), (505, 110792), (808, 69245), (1010, 55396), (1111, 50360), (1259, 44440), (2020, 27698), (2222, 25180), (2518, 22220), (4040, 13849), (4444, 12590), (5036, 11110), (5555, 10072), (6295, 8888)]