2080357840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{214913}}^1$

素因数の和:214948

約数の個数: 60

約数和(自身を含む): 5316542532

約数和(自身を除く): 3236184692

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 121, 176, 220, 242, 440, 484, 605, 880, 968, 1210, 1936, 2420, 4840, 9680, 214913, 429826, 859652, 1074565, 1719304, 2149130, 2364043, 3438608, 4298260, 4728086, 8596520, 9456172, 11820215, 17193040, 18912344, 23640430, 26004473, 37824688, 47280860, 52008946, 94561720, 104017892, 130022365, 189123440, 208035784, 260044730, 416071568, 520089460, 1040178920, 2080357840]

約数ペア:

[(1, 2080357840), (2, 1040178920), (4, 520089460), (5, 416071568), (8, 260044730), (10, 208035784), (11, 189123440), (16, 130022365), (20, 104017892), (22, 94561720), (40, 52008946), (44, 47280860), (55, 37824688), (80, 26004473), (88, 23640430), (110, 18912344), (121, 17193040), (176, 11820215), (220, 9456172), (242, 8596520), (440, 4728086), (484, 4298260), (605, 3438608), (880, 2364043), (968, 2149130), (1210, 1719304), (1936, 1074565), (2420, 859652), (4840, 429826), (9680, 214913)]