57878920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131543}}^1$

素因数の和:131565

約数の個数: 32

約数和(自身を含む): 142067520

約数和(自身を除く): 84188600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 131543, 263086, 526172, 657715, 1052344, 1315430, 1446973, 2630860, 2893946, 5261720, 5787892, 7234865, 11575784, 14469730, 28939460, 57878920]

約数ペア:

[(1, 57878920), (2, 28939460), (4, 14469730), (5, 11575784), (8, 7234865), (10, 5787892), (11, 5261720), (20, 2893946), (22, 2630860), (40, 1446973), (44, 1315430), (55, 1052344), (88, 657715), (110, 526172), (220, 263086), (440, 131543)]