28939580

素因数分解:

$2^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{5113}}^1$

素因数の和:5405

約数の個数: 24

約数和(自身を含む): 60999792

約数和(自身を除く): 32060212

約数列:

[1, 2, 4, 5, 10, 20, 283, 566, 1132, 1415, 2830, 5113, 5660, 10226, 20452, 25565, 51130, 102260, 1446979, 2893958, 5787916, 7234895, 14469790, 28939580]

約数ペア:

[(1, 28939580), (2, 14469790), (4, 7234895), (5, 5787916), (10, 2893958), (20, 1446979), (283, 102260), (566, 51130), (1132, 25565), (1415, 20452), (2830, 10226), (5113, 5660)]