55201960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1151}}^1$

素因数の和:1282

約数の個数: 64

約数和(自身を含む): 136857600

約数和(自身を除く): 81655640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 109, 110, 218, 220, 436, 440, 545, 872, 1090, 1151, 1199, 2180, 2302, 2398, 4360, 4604, 4796, 5755, 5995, 9208, 9592, 11510, 11990, 12661, 23020, 23980, 25322, 46040, 47960, 50644, 63305, 101288, 125459, 126610, 250918, 253220, 501836, 506440, 627295, 1003672, 1254590, 1380049, 2509180, 2760098, 5018360, 5520196, 6900245, 11040392, 13800490, 27600980, 55201960]

約数ペア:

[(1, 55201960), (2, 27600980), (4, 13800490), (5, 11040392), (8, 6900245), (10, 5520196), (11, 5018360), (20, 2760098), (22, 2509180), (40, 1380049), (44, 1254590), (55, 1003672), (88, 627295), (109, 506440), (110, 501836), (218, 253220), (220, 250918), (436, 126610), (440, 125459), (545, 101288), (872, 63305), (1090, 50644), (1151, 47960), (1199, 46040), (2180, 25322), (2302, 23980), (2398, 23020), (4360, 12661), (4604, 11990), (4796, 11510), (5755, 9592), (5995, 9208)]