27782920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{271}}^1$

素因数の和:526

約数の個数: 64

約数和(自身を含む): 68739840

約数和(自身を除く): 40956920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 233, 271, 440, 466, 542, 932, 1084, 1165, 1355, 1864, 2168, 2330, 2563, 2710, 2981, 4660, 5126, 5420, 5962, 9320, 10252, 10840, 11924, 12815, 14905, 20504, 23848, 25630, 29810, 51260, 59620, 63143, 102520, 119240, 126286, 252572, 315715, 505144, 631430, 694573, 1262860, 1389146, 2525720, 2778292, 3472865, 5556584, 6945730, 13891460, 27782920]

約数ペア:

[(1, 27782920), (2, 13891460), (4, 6945730), (5, 5556584), (8, 3472865), (10, 2778292), (11, 2525720), (20, 1389146), (22, 1262860), (40, 694573), (44, 631430), (55, 505144), (88, 315715), (110, 252572), (220, 126286), (233, 119240), (271, 102520), (440, 63143), (466, 59620), (542, 51260), (932, 29810), (1084, 25630), (1165, 23848), (1355, 20504), (1864, 14905), (2168, 12815), (2330, 11924), (2563, 10840), (2710, 10252), (2981, 9320), (4660, 5962), (5126, 5420)]